Dumfries, VA Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Dumfries, VA in one place.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 101. Heat index values as high as 108. Northwest wind around 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Dumfries, VA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 10:12 PM EDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Dumfries, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 10:12 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dumfries
Thursday looks like the warmest upcoming period in Dumfries at 101 degrees F.
Sunday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:12 PM EDT
- Coverage
- 6 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 sourceExtended Forecast
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Sunny, with a high near 97.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 94. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
101°F |
7 mph
NW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
3 to 7 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
97°F |
6 mph
NE
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
73°F |
1 to 6 mph
SE
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
94°F |
1 to 7 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
73°F |
2 to 6 mph
SW
|
|
Sunday
Jul 19
|
Partly Sunny then Chance Showers And Thunderstorms
|
93°F |
3 to 7 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
6 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
73°F |
6 mph
S
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
94°F |
3 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dumfries.
