Prince William County, VA Weather Forecast

County weather hub

65°
F

Rain Showers

Compare major city weather across Prince William County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Thursday, October 15, 2026
Wind: 3 to 7 mph NE
Thursday

Rain showers. Cloudy, with a high near 65. Northeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Prince William County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Prince William County.

Page Snapshot

Page focus
county weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 14, 2026 11:08 PM EDT
Forecast office
LWX
Source
NOAA / NWS
Next High
65°F
Thursday
Next Low
57°F
Thursday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
15 to 18 mph
Saturday

Daily Outlook

Today
Oct 15
Rain Showers
65 °F
/ 57°F
Wind 3 to 7 mph
Fri
Oct 16
Partly Sunny then Chance Showers And Thunderstorms
82 °F
/ 49°F
Wind 7 to 15 mph
Sat
Oct 17
Rain Showers Likely then Mostly Sunny
56 °F
/ 36°F
Wind 15 to 18 mph
Sun
Oct 18
Sunny
58 °F
/ 36°F
Wind 5 mph
Mon
Oct 19
Sunny
63 °F
/ 42°F
Wind 1 to 7 mph
Tue
Oct 20
Mostly Sunny
66 °F
/ 45°F
Wind 0 to 3 mph
Wed
Oct 21
Sunny
67 °F
Wind 5 mph

This Week in Prince William County

Friday looks like the warmest upcoming period in Prince William County at 82 degrees F.

Saturday Night is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Saturday at about 15 to 18 mph N.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Oct 14, 2026 11:08 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
LWX
Radar station
KLWX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday Night
Oct 15
57°F
Chance Rain Showers then Cloudy
2 to 6 mph SE

A chance of rain showers before midnight. Cloudy, with a low around 57. Southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday
Oct 16
82°F
Partly Sunny then Chance Showers And Thunderstorms
7 to 15 mph SW

A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

Friday Night
Oct 16
49°F
Showers And Thunderstorms
12 to 15 mph NW

Showers and thunderstorms. Mostly cloudy, with a low around 49. Northwest wind 12 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

Saturday
Oct 17
56°F
Rain Showers Likely then Mostly Sunny
15 to 18 mph N

Rain showers likely before 8am. Mostly sunny, with a high near 56. Chance of precipitation is 60%.

Saturday Night
Oct 17
36°F
Mostly Clear
3 to 13 mph N

Mostly clear, with a low around 36.

Sunday
Oct 18
58°F
Sunny
5 mph NE

Sunny, with a high near 58.

Sunday Night
Oct 18
36°F
Mostly Clear
0 to 3 mph S

Mostly clear, with a low around 36.

Monday
Oct 19
63°F
Sunny
1 to 7 mph SW

Sunny, with a high near 63.

Monday Night
Oct 19
42°F
Partly Cloudy
0 to 3 mph S

Partly cloudy, with a low around 42.

Tuesday
Oct 20
66°F
Mostly Sunny
0 to 3 mph N

Mostly sunny, with a high near 66.

Tuesday Night
Oct 20
45°F
Partly Cloudy
2 mph N

Partly cloudy, with a low around 45.

Wednesday
Oct 21
67°F
Sunny
5 mph N

Sunny, with a high near 67.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Oct 15
Rain Showers
65°F
3 to 7 mph
NE
Thursday Night
Oct 15
Chance Rain Showers then Cloudy
57°F
2 to 6 mph
SE
Friday
Oct 16
Partly Sunny then Chance Showers And Thunderstorms
82°F
7 to 15 mph
SW
Friday Night
Oct 16
Showers And Thunderstorms
49°F
12 to 15 mph
NW
Saturday
Oct 17
Rain Showers Likely then Mostly Sunny
56°F
15 to 18 mph
N
Saturday Night
Oct 17
Mostly Clear
36°F
3 to 13 mph
N
Sunday
Oct 18
Sunny
58°F
5 mph
NE
Sunday Night
Oct 18
Mostly Clear
36°F
0 to 3 mph
S
Monday
Oct 19
Sunny
63°F
1 to 7 mph
SW
Monday Night
Oct 19
Partly Cloudy
42°F
0 to 3 mph
S
Tuesday
Oct 20
Mostly Sunny
66°F
0 to 3 mph
N
Tuesday Night
Oct 20
Partly Cloudy
45°F
2 mph
N
Wednesday
Oct 21
Sunny
67°F
5 mph
N

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Prince William County.

Largest mapped city population in this region: 8,188.

Prince William County  VA  Courthouse IMG 4347
Prince William County VA Courthouse IMG 4347 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.