Big River, CA Weather Forecast

Local 7-day forecast

103°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Big River, CA in one place.

Saturday, July 18, 2026
Wind: 5 to 8 mph SE
Saturday

Mostly sunny, with a high near 103. Heat index values as high as 106. Southeast wind 5 to 8 mph.

Local 7-day forecast

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
Next High
103°F
Saturday
Next Low
80°F
Saturday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
5 to 9 mph
Monday

Daily Outlook

Today
Jul 18
Mostly Sunny
103 °F
/ 80°F
Wind 5 to 8 mph
Sun
Jul 19
Mostly Sunny
105 °F
/ 80°F
Wind 5 to 8 mph
Mon
Jul 20
Sunny
104 °F
/ 80°F
Wind 5 to 9 mph
Tue
Jul 21
Mostly Sunny
106 °F
/ 80°F
Wind 5 to 8 mph
Wed
Jul 22
Mostly Sunny then Slight Chance Showers And Thunderstorms
106 °F
/ 81°F
Wind 5 to 8 mph
Thu
Jul 23
Slight Chance Showers And Thunderstorms
106 °F
Wind 3 to 8 mph

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 source

Extended Forecast

Saturday Night
Jul 18
80°F
Partly Cloudy
7 mph SE

Partly cloudy, with a low around 80. Southeast wind around 7 mph.

Sunday
Jul 19
105°F
Mostly Sunny
5 to 8 mph SSE

Mostly sunny, with a high near 105.

Sunday Night
Jul 19
80°F
Isolated Showers And Thunderstorms
5 to 8 mph S

Isolated showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 80.

Monday
Jul 20
104°F
Sunny
5 to 9 mph S

Sunny, with a high near 104.

Monday Night
Jul 20
80°F
Partly Cloudy
5 to 8 mph S

Partly cloudy, with a low around 80.

Tuesday
Jul 21
106°F
Mostly Sunny
5 to 8 mph S

Mostly sunny, with a high near 106.

Tuesday Night
Jul 21
80°F
Slight Chance Showers And Thunderstorms
5 to 8 mph S

A slight chance of showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 80.

Wednesday
Jul 22
106°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
5 to 8 mph SSE

A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 106.

Wednesday Night
Jul 22
81°F
Slight Chance Showers And Thunderstorms
7 mph SSE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81.

Thursday
Jul 23
106°F
Slight Chance Showers And Thunderstorms
3 to 8 mph SSE

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
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.