Upper Lake, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Upper Lake, CA in one place.
Sunny, with a high near 66.
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: Apr 9, 2026 4:11 PM PDT.
The active forecast window currently covers Apr 14 to Apr 15, 2026 for Upper Lake, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:11 PM PDT
- Forecast office
- EKA
- Source
- NOAA / NWS
Daily Outlook
This Week in Upper Lake
Wednesday looks like the warmest upcoming period in Upper Lake at 67 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 8 mph W.
The forecast from Apr 14 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 4:11 PM PDT
- Coverage
- 3 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
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Sunny
|
66°F |
2 to 8 mph
W
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
39°F |
2 to 8 mph
NW
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
67°F |
2 to 8 mph
WNW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
42°F |
2 to 8 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Upper Lake.
