Winchester, CA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, CA in one place.
Partly sunny, with a high near 73. South wind 0 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Winchester, 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: Apr 15, 2026 9:04 PM PDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Winchester, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 15, 2026 9:04 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Saturday looks like the warmest upcoming period in Winchester at 81 degrees F.
Thursday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph S.
The forecast from Apr 16 through Apr 22 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 9:04 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
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 44. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 77. West wind 0 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 45. Southeast wind 0 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 81.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 47.
Sunny, with a high near 77.
Mostly clear, with a low around 45.
Sunny, with a high near 74.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Partly Sunny
|
73°F |
0 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
44°F |
5 to 15 mph
SW
|
|
Friday
Apr 17
|
Sunny
|
77°F |
0 to 15 mph
W
|
|
Friday Night
Apr 17
|
Mostly Clear
|
45°F |
0 to 10 mph
SE
|
|
Saturday
Apr 18
|
Sunny
|
81°F |
0 to 10 mph
E
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
50°F |
0 to 10 mph
SE
|
|
Sunday
Apr 19
|
Mostly Sunny
|
81°F |
0 to 10 mph
S
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
47°F |
0 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
77°F |
0 to 15 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
45°F |
0 to 15 mph
SW
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
0 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
47°F |
0 to 15 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
74°F |
0 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.