Upper Lake, CA Weather Forecast
Local 7-day forecast
Isolated Showers And Thunderstorms then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Upper Lake, CA in one place.
Isolated showers and thunderstorms before 11am. Sunny, with a high near 94. West northwest wind 2 to 10 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Upper Lake, 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 12, 2026 1:52 AM PDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Upper Lake, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:52 AM PDT
- Forecast office
- EKA
- Source
- NOAA / NWS
Daily Outlook
This Week in Upper Lake
Tuesday looks like the warmest upcoming period in Upper Lake at 94 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 12 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:52 AM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- EKA
- Radar station
- KBBX
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 60.
Sunny, with a high near 93.
Mostly clear, with a low around 57.
Sunny, with a high near 93.
Mostly clear, with a low around 57.
Sunny, with a high near 92.
A slight chance of rain after 5am. Partly cloudy, with a low around 58.
A slight chance of rain before 11am. Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Isolated Showers And Thunderstorms then Sunny
|
94°F |
2 to 10 mph
WNW
|
|
Tuesday Night
Jul 14
|
Clear
|
60°F |
3 to 10 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
2 to 12 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
57°F |
2 to 12 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
2 to 8 mph
WSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
57°F |
1 to 8 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
92°F |
1 to 9 mph
SSE
|
|
Friday Night
Jul 17
|
Partly Cloudy then Slight Chance Light Rain
|
58°F |
0 to 8 mph
W
|
|
Saturday
Jul 18
|
Slight Chance Light Rain then Sunny
|
89°F |
0 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Upper Lake.