Winchester, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, CA in one place.
Sunny, with a high near 85. Northeast wind 0 to 20 mph, with gusts as high as 35 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: Oct 13, 2026 11:17 PM PDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Winchester, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 11:17 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Thursday looks like the warmest upcoming period in Winchester at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday Night at about 15 to 30 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 11:17 PM PDT
- Coverage
- 6 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
Clear, with a low around 61. Northeast wind 15 to 30 mph, with gusts as high as 50 mph.
Sunny, with a high near 85.
Clear, with a low around 63.
Sunny, with a high near 83.
Clear, with a low around 59.
Sunny, with a high near 84.
Clear, with a low around 59.
Sunny, with a high near 81.
A slight chance of rain showers after 5am. Mostly clear, with a low around 54.
A chance of rain showers. Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
85°F |
0 to 20 mph
NE
|
|
Thursday Night
Oct 15
|
Clear
|
61°F |
15 to 30 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
85°F |
15 to 25 mph
NE
|
|
Friday Night
Oct 16
|
Clear
|
63°F |
15 to 25 mph
NE
|
|
Saturday
Oct 17
|
Sunny
|
83°F |
10 to 15 mph
E
|
|
Saturday Night
Oct 17
|
Clear
|
59°F |
5 to 20 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
84°F |
0 to 5 mph
NW
|
|
Sunday Night
Oct 18
|
Clear
|
59°F |
0 to 15 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
81°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear then Slight Chance Rain Showers
|
54°F |
10 to 15 mph
S
|
|
Tuesday
Oct 20
|
Chance Rain Showers
|
71°F |
10 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.