Walnut, CA Weather Forecast
Local 7-day forecast
Light Rain Likely then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Walnut, CA in one place.
Rain likely before 10am, then a chance of rain showers between 10am and 4pm. Partly sunny, with a high near 70. West southwest wind 0 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Walnut, 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: Oct 31, 2026 1:36 PM PDT.
The active forecast window currently covers Nov 1 to Nov 6, 2026 for Walnut, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 1:36 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Walnut
Tuesday looks like the warmest upcoming period in Walnut at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 0 to 10 mph WSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 31, 2026 1:36 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KSOX
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 52. Southeast wind 5 to 10 mph.
Sunny, with a high near 76. Northwest wind around 5 mph.
Mostly clear, with a low around 53.
Sunny, with a high near 78.
Mostly clear, with a low around 55.
Sunny, with a high near 75.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 77.
Mostly clear, with a low around 56.
Sunny, with a high near 78.
Mostly clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Light Rain Likely then Chance Rain Showers
|
70°F |
0 to 10 mph
WSW
|
|
Sunday Night
Nov 1
|
Mostly Clear
|
52°F |
5 to 10 mph
SE
|
|
Monday
Nov 2
|
Sunny
|
76°F |
5 mph
NW
|
|
Monday Night
Nov 2
|
Mostly Clear
|
53°F |
0 to 5 mph
N
|
|
Tuesday
Nov 3
|
Sunny
|
78°F |
5 to 10 mph
W
|
|
Tuesday Night
Nov 3
|
Mostly Clear
|
55°F |
0 to 5 mph
E
|
|
Wednesday
Nov 4
|
Sunny
|
75°F |
0 to 5 mph
E
|
|
Wednesday Night
Nov 4
|
Mostly Clear
|
55°F |
0 to 5 mph
NE
|
|
Thursday
Nov 5
|
Mostly Sunny
|
77°F |
0 to 5 mph
NNE
|
|
Thursday Night
Nov 5
|
Mostly Clear
|
56°F |
0 to 5 mph
NNE
|
|
Friday
Nov 6
|
Sunny
|
78°F |
0 to 5 mph
NNE
|
|
Friday Night
Nov 6
|
Mostly Clear
|
57°F |
0 to 10 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Walnut.