Big River, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Big River, CA in one place.
Mostly sunny, with a high near 103. Heat index values as high as 106. Southeast wind 5 to 8 mph.
Local Weather Overview
This forecast page for Big River, 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: Jul 17, 2026 3:35 AM PDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Big River, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 3:35 AM PDT
- Forecast office
- VEF
- Source
- NOAA / NWS
Daily Outlook
This Week in Big River
Tuesday looks like the warmest upcoming period in Big River at 106 degrees F.
Saturday Night is the coolest period ahead with temperatures near 80 degrees F.
The strongest winds are forecast for Monday at about 5 to 9 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 3:35 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- VEF
- Radar station
- KESX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 80. Southeast wind around 7 mph.
Mostly sunny, with a high near 105.
Isolated showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 80.
Sunny, with a high near 104.
Partly cloudy, with a low around 80.
Mostly sunny, with a high near 106.
A slight chance of showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 80.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 106.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81.
A slight chance of showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 106.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny
|
103°F |
5 to 8 mph
SE
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
80°F |
7 mph
SE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
105°F |
5 to 8 mph
SSE
|
|
Sunday Night
Jul 19
|
Isolated Showers And Thunderstorms
|
80°F |
5 to 8 mph
S
|
|
Monday
Jul 20
|
Sunny
|
104°F |
5 to 9 mph
S
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
80°F |
5 to 8 mph
S
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
106°F |
5 to 8 mph
S
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms
|
80°F |
5 to 8 mph
S
|
|
Wednesday
Jul 22
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
106°F |
5 to 8 mph
SSE
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms
|
81°F |
7 mph
SSE
|
|
Thursday
Jul 23
|
Slight Chance Showers And Thunderstorms
|
106°F |
3 to 8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big River.