Merrimac, CA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merrimac, CA in one place.
Partly sunny. High near 66, with temperatures falling to around 59 in the afternoon. South wind around 5 mph.
Local Weather Overview
This forecast page for Merrimac, CA 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: Nov 7, 2026 8:44 AM PST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Merrimac, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 8:44 AM PST
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrimac
Tuesday looks like the warmest upcoming period in Merrimac at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Friday Night at about 10 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 8:44 AM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 52. East southeast wind 2 to 6 mph.
Mostly sunny, with a high near 63. South southeast wind 2 to 6 mph.
Mostly clear, with a low around 51.
Sunny, with a high near 69.
Mostly clear, with a low around 52.
Sunny, with a high near 67.
A slight chance of rain after 4am. Partly cloudy, with a low around 54.
A slight chance of rain. Mostly sunny, with a high near 63.
A chance of rain. Partly cloudy, with a low around 50.
A chance of rain. Partly sunny, with a high near 56.
A chance of rain. Mostly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Partly Sunny
|
66°F |
5 mph
S
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
52°F |
2 to 6 mph
ESE
|
|
Monday
Nov 9
|
Mostly Sunny
|
63°F |
2 to 6 mph
SSE
|
|
Monday Night
Nov 9
|
Mostly Clear
|
51°F |
2 to 8 mph
ENE
|
|
Tuesday
Nov 10
|
Sunny
|
69°F |
0 to 9 mph
N
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
52°F |
0 to 8 mph
NE
|
|
Veterans Day
Nov 11
|
Sunny
|
67°F |
2 to 8 mph
ESE
|
|
Wednesday Night
Nov 11
|
Partly Cloudy then Slight Chance Light Rain
|
54°F |
2 to 8 mph
E
|
|
Thursday
Nov 12
|
Slight Chance Light Rain
|
63°F |
3 to 9 mph
SE
|
|
Thursday Night
Nov 12
|
Chance Light Rain
|
50°F |
3 to 7 mph
ESE
|
|
Friday
Nov 13
|
Chance Light Rain
|
56°F |
9 mph
SE
|
|
Friday Night
Nov 13
|
Chance Light Rain
|
47°F |
10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrimac.