Merrimac South, VA Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Merrimac South, VA in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. West wind 0 to 5 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Merrimac South, 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: Jun 9, 2026 5:45 PM EDT.
The active forecast window currently covers Jun 11 to Jun 15, 2026 for Merrimac South, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 11 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 5:45 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrimac South
Friday looks like the warmest upcoming period in Merrimac South at 96 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Thursday at about 0 to 5 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 5:45 PM EDT
- Coverage
- 5 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 chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunny, with a high near 90.
Mostly clear, with a low around 63.
Sunny, with a high near 91.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jun 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
W
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
70°F |
0 to 3 mph
W
|
|
Friday
Jun 12
|
Mostly Sunny then Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
66°F |
0 to 3 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
90°F |
1 to 5 mph
NW
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
63°F |
1 mph
N
|
|
Sunday
Jun 14
|
Sunny
|
91°F |
0 to 5 mph
S
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 to 3 mph
SW
|
|
Monday
Jun 15
|
Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
SW
|
|
Monday Night
Jun 15
|
Showers And Thunderstorms Likely
|
63°F |
3 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrimac South.