Janesville, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Janesville, CA in one place.
Mostly sunny, with a high near 54. East wind 0 to 5 mph.
Local Weather Overview
This forecast page for Janesville, 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 5, 2026 8:26 AM PST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Janesville, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 8:26 AM PST
- Forecast office
- REV
- Source
- NOAA / NWS
Daily Outlook
This Week in Janesville
Sunday looks like the warmest upcoming period in Janesville at 61 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 8:26 AM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- REV
- Radar station
- KRGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 33. East wind around 0 mph.
Sunny, with a high near 60. East wind 0 to 5 mph.
Partly cloudy, with a low around 35. South wind 0 to 5 mph.
Mostly sunny, with a high near 61.
Mostly cloudy, with a low around 36.
Mostly sunny, with a high near 59.
Partly cloudy, with a low around 36.
Sunny, with a high near 59.
A slight chance of rain after 4am. Partly cloudy, with a low around 38.
A slight chance of rain. Mostly sunny, with a high near 58.
A slight chance of rain. Mostly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
54°F |
0 to 5 mph
E
|
|
Friday Night
Nov 6
|
Mostly Clear
|
33°F |
0 mph
|
|
Saturday
Nov 7
|
Sunny
|
60°F |
0 to 5 mph
E
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
35°F |
0 to 5 mph
S
|
|
Sunday
Nov 8
|
Mostly Sunny
|
61°F |
0 to 5 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
36°F |
0 to 5 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
59°F |
0 to 5 mph
SW
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
36°F |
0 to 5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
59°F |
0 to 5 mph
S
|
|
Tuesday Night
Nov 10
|
Partly Cloudy then Slight Chance Light Rain
|
38°F |
0 mph
|
|
Veterans Day
Nov 11
|
Slight Chance Light Rain
|
58°F |
0 to 5 mph
S
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
38°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Janesville.