789
FOUS51 KLWX 171503
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1003 AM EST SAT JAN 17 2026
VAZ054-172100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 47 33 36 24 40
TEMP 43 46 40 37 36 36 34 35 34 33 30 29 27 25 25 32 38 38 32
DEWPT 27 32 31 31 30 29 28 26 22 19 17 12 11 11 12 14 12 10 10
RH 53 58 70 79 79 75 78 69 61 56 58 48 50 55 57 47 34 31 39
WIND DIR SW SW SW SW N N N N N N NW NW W SW SW SW W W NW
WIND SPD 9 6 3 3 4 4 4 6 8 8 6 6 4 5 8 12 16 17 13
WIND GUST 19
CLOUDS OV SC SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 70 50 50 10 0
QPF 12HR 0.02 0.02 0.03 0 0
SNOW 12HR 00-00 T T
RAIN C S C
SNOW C C C C
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 18 28 18 41 31 44 27 38
TEMP 25 18 26 24 20 20 38 37 35 32 42 37 32 27 35 33
DEWPT 4 -1 -4 -3 -1 2 5 13 18 21 21 20 18 14 12 14
PWIND DIR NW NW SW S SW W NW NW
WIND CHAR GN GN LT BZ GN GN GN GN
AVG CLOUDS SC SC FW FW CL FW FW SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S
SNOW S S
MDZ013-172100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 44 31 35 20 38
TEMP 41 44 39 35 34 34 33 33 34 33 30 25 23 22 22 30 37 36 30
DEWPT 28 34 32 31 30 28 28 26 22 20 17 14 12 11 12 14 15 13 12
RH 59 68 76 85 85 78 82 75 61 58 58 62 62 62 65 51 40 38 46
WIND DIR SW SW SW W NW NW NW NW NW NW NW NW W W SW SW W W W
WIND SPD 9 4 2 2 3 3 4 5 8 6 6 3 2 2 3 8 11 10 8
WIND GUST 19
CLOUDS OV B1 SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 80 50 50 5 0
QPF 12HR 0.04 0.01 0.02 0 0
SNOW 12HR 00-00 00-00 T
RAIN S C
SNOW S C C C C
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 15 27 15 39 29 43 24 36
TEMP 22 16 25 23 17 17 36 35 33 30 41 35 29 24 33 31
DEWPT 6 1 -1 -1 1 3 8 15 19 22 23 22 18 15 13 16
PWIND DIR W W W S SW W NW NW
WIND CHAR GN GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S
SNOW S S S
MDZ011-172100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 44 32 35 24 38
TEMP 42 44 39 36 35 35 33 34 34 34 30 29 26 25 24 31 37 36 32
DEWPT 25 33 31 30 29 27 26 25 22 19 17 12 10 10 11 11 10 9 9
RH 50 65 73 79 78 72 75 69 61 54 58 48 50 52 57 43 32 32 37
WIND DIR SW SW W W NW NW NW NW NW NW NW NW W W SW SW SW W W
WIND SPD 8 4 2 2 3 3 3 4 6 6 5 2 2 2 2 6 11 10 6
WIND GUST 18
CLOUDS OV B1 SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 80 50 50 5 0
QPF 12HR 0.05 0.01 0.01 0 0
SNOW 12HR 00-00 T T
RAIN S
SNOW S C C C C C
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 17 26 17 39 31 42 26 36
TEMP 24 17 24 23 19 18 37 37 35 31 41 36 31 26 34 32
DEWPT 4 -2 -5 -3 -1 1 5 12 18 20 19 19 17 13 10 13
PWIND DIR W W W S SW W NW NW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S
SNOW S S S
WVZ052-172100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 47 27 33 19 36
TEMP 43 45 37 33 31 31 29 32 31 31 25 23 21 20 19 29 35 34 27
DEWPT 26 27 25 24 23 23 20 16 13 11 9 7 7 7 8 9 9 6 5
RH 51 49 61 69 72 72 69 51 47 43 50 50 54 56 61 42 33 30 38
WIND DIR W W W W W NW NW NW NW NW W W W SW SW SW W W W
WIND SPD 6 6 3 3 3 4 4 6 8 9 4 2 2 4 5 10 14 16 11
WIND GUST 26
CLOUDS B2 SC SC B1 B2 B2 B2 OV B2 B1 FW FW SC SC FW FW SC SC FW
POP 12HR 20 20 20 5 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR T 00-00 00-00
RAIN
SNOW S S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 11 24 10 41 27 42 21 35
TEMP 19 12 22 19 12 12 37 35 32 28 40 33 28 22 32 29
DEWPT -1 -5 -7 -6 -3 -3 6 12 18 18 20 16 15 11 10 11
PWIND DIR W W SW S SW W NW W
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS SC FW FW FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 10 20 20 20
RAIN S S S
SNOW S S S
VAZ506-172100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 47 31 35 20 39
TEMP 44 46 38 35 33 33 32 33 33 32 28 25 23 21 22 30 37 37 30
DEWPT 27 32 30 30 28 27 25 22 19 15 15 12 11 12 13 14 13 12 11
RH 51 58 73 82 82 78 75 63 56 49 58 57 59 68 68 51 37 35 44
WIND DIR SW W SW NW N N N NW NW NW NW NW W SW SW SW W W NW
WIND SPD 8 5 2 3 3 3 4 5 6 8 4 3 2 2 4 9 12 12 10
CLOUDS B1 B1 SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 70 30 30 5 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
SNOW C C C S S
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 14 28 13 40 29 44 24 36
TEMP 21 14 25 22 15 15 37 37 33 29 42 35 29 24 34 31
DEWPT 4 -1 -3 0 0 1 7 14 19 21 23 21 19 15 14 16
PWIND DIR NW NW SW S SW W NW NW
WIND CHAR GN GN LT GN GN LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 10
RAIN S S
SNOW S S
VAZ037-172100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 49 31 36 20 41
TEMP 46 46 39 35 34 34 32 34 35 34 29 26 24 22 22 31 39 39 32
DEWPT 25 27 26 26 25 27 26 24 18 16 14 10 9 9 9 9 8 7 6
RH 43 47 59 69 69 75 78 66 49 47 53 50 52 57 57 39 27 26 33
WIND DIR SW SW SW W SW W NW NW W NW W W W SW SW SW W W W
WIND SPD 9 8 3 1 1 2 2 3 5 4 3 2 3 4 5 10 11 10 6
WIND GUST 19 23 20
CLOUDS B1 SC SC B1 OV OV B2 OV B2 B1 FW FW SC FW CL CL CL FW FW
POP 12HR 20 30 30 5 0
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S S C
SNOW C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 15 29 14 43 28 47 25 39
TEMP 24 16 27 23 17 16 40 38 33 29 44 37 31 26 37 33
DEWPT 2 -2 -9 -6 -4 -2 4 11 16 18 20 20 19 16 12 15
PWIND DIR W W SW S SW SW NW SW
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC CL CL CL FW FW FW SC B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S
SNOW S S
MDZ003-172100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 45 27 31 19 34
TEMP 42 43 35 33 32 31 30 31 30 30 25 23 22 21 21 29 33 32 26
DEWPT 27 29 27 26 25 24 21 18 15 11 11 10 10 9 10 12 12 9 8
RH 55 57 72 75 75 75 69 58 53 44 55 57 59 59 62 48 41 37 46
WIND DIR SW W W SW W W W W W W W W W SW SW SW W W W
WIND SPD 6 5 3 3 3 3 4 5 8 6 5 3 3 5 5 11 16 13 10
WIND GUST 27 25 20
CLOUDS B2 SC SC B1 B2 B2 B2 OV B2 B1 FW SC SC B1 FW SC SC SC SC
POP 12HR 30 20 20 5 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR T 00-00 00-00
RAIN
SNOW S S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 11 23 11 39 28 39 21 33
TEMP 18 11 20 18 13 13 34 35 32 28 38 32 27 21 30 28
DEWPT 2 -3 -4 -3 -1 -1 7 14 21 20 22 20 16 11 11 13
PWIND DIR W W SW S SW W NW W
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS SC SC FW FW FW FW SC B1 B2 B2 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 5 20 20 20
RAIN S S S
SNOW S S S
MDZ017-172100-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 48 34 37 22 42
TEMP 45 45 41 39 38 38 35 36 34 33 30 28 26 24 24 34 40 40 33
DEWPT 28 32 33 33 33 33 32 32 27 26 23 17 16 15 16 17 16 17 19
RH 51 60 73 79 82 82 89 85 75 75 75 63 65 68 71 49 37 39 56
WIND DIR SW SW SW SW W NW N N N N NW NW NW W SW SW SW W W
WIND SPD 12 8 5 4 4 5 6 8 9 9 9 5 5 5 6 10 12 10 9
WIND GUST 23
CLOUDS OV SC SC B1 OV OV OV OV OV OV B1 SC SC SC FW CL FW CL FW
POP 12HR 20 70 70 20 0
QPF 12HR 0 0.07 0.18 0 0
SNOW 12HR 00-00 00-00 1
RAIN S C L L L L
SNOW S L L L S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 19 31 19 42 31 47 27 39
TEMP 26 20 28 25 21 22 40 36 35 32 45 38 34 28 38 31
DEWPT 12 6 2 4 7 9 11 18 21 24 27 27 23 19 17 19
PWIND DIR NW NW W S SW W NW NW
WIND CHAR GN GN LT GN GN GN LT LT
AVG CLOUDS SC SC FW FW CL CL FW FW SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S S
SNOW S
WVZ502-172100-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 44 23 29 16 34
TEMP 42 42 35 32 30 28 24 27 28 28 22 19 19 18 18 27 32 32 24
DEWPT 25 24 24 23 22 19 16 14 10 8 8 9 8 7 8 11 11 9 6
RH 50 48 64 69 72 68 71 57 46 42 54 64 61 61 64 50 41 37 45
WIND DIR W W SW SW SW W W W W W W SW SW SW SW W W W W
WIND SPD 9 8 3 2 2 3 3 5 8 5 3 3 3 4 5 10 14 13 6
WIND GUST 20 18 24 28 27 19
CLOUDS B1 B1 SC B1 B2 B2 B2 B2 B2 SC FW SC SC SC FW SC SC SC SC
POP 12HR 20 10 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
SNOW
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 8 23 10 46 27 43 20 39
TEMP 14 8 21 17 12 12 44 39 33 28 40 33 25 20 36 32
DEWPT 0 -4 -5 -3 -3 1 12 20 23 22 22 20 16 12 12 15
PWIND DIR W W SW SW SW W W W
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 5 10 20 20 10
FRZG RAIN S
RAIN S S S
MDZ014-172100-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1003 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 45 32 36 24 38
TEMP 43 44 39 36 35 35 33 35 35 34 31 28 26 25 24 31 37 37 32
DEWPT 27 33 32 32 31 30 29 28 25 22 18 16 14 13 14 15 14 14 14
RH 53 65 76 85 85 82 85 75 66 61 58 60 60 60 65 51 38 38 47
WIND DIR SW SW S W NW N N N N N NW NW NW W SW SW SW W W
WIND SPD 9 5 3 3 3 3 4 6 8 8 8 4 3 3 5 9 11 10 8
WIND GUST 20
CLOUDS OV SC SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 70 50 50 10 0
QPF 12HR 0.03 0.02 0.07 0 0
SNOW 12HR 00-00 T 1
RAIN S C S S
SNOW C C C C
SNOWSHWRS
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 18 26 17 39 31 42 26 36
TEMP 25 18 25 24 19 19 37 37 35 31 41 36 32 26 33 32
DEWPT 8 3 0 2 4 7 9 16 21 22 22 24 20 17 13 17
PWIND DIR NW NW W S SW W NW NW
WIND CHAR GN GN LT GN GN LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S S
SNOW S S S
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