Penn Valley, CA Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Penn Valley, CA in one place.
Clear. Low around 55, with temperatures rising to around 57 overnight. Northeast wind around 5 mph.
Local Weather Overview
This forecast page for Penn Valley, 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 15, 2026 3:43 AM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Penn Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:43 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Penn Valley
Thursday looks like the warmest upcoming period in Penn Valley at 88 degrees F.
Monday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday Night at about 3 to 9 mph ENE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:43 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 88, with temperatures falling to around 86 in the afternoon. North northwest wind around 6 mph.
Clear. Low around 63, with temperatures rising to around 65 overnight. East northeast wind 3 to 9 mph, with gusts as high as 21 mph.
Sunny, with a high near 85. South southwest wind 2 to 9 mph.
Clear, with a low around 57. East wind 2 to 6 mph.
Sunny, with a high near 83.
Clear, with a low around 56.
Sunny, with a high near 79.
Mostly clear, with a low around 52.
Sunny, with a high near 69.
A slight chance of rain after 11pm. Partly cloudy, with a low around 48.
A slight chance of rain. Mostly sunny, with a high near 68.
A slight chance of rain before 11pm. Partly cloudy, with a low around 49.
A slight chance of rain after 5pm. Mostly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Clear
|
55°F |
5 mph
NE
|
|
Thursday
Oct 15
|
Sunny
|
88°F |
6 mph
NNW
|
|
Thursday Night
Oct 15
|
Clear
|
63°F |
3 to 9 mph
ENE
|
|
Friday
Oct 16
|
Sunny
|
85°F |
2 to 9 mph
SSW
|
|
Friday Night
Oct 16
|
Clear
|
57°F |
2 to 6 mph
E
|
|
Saturday
Oct 17
|
Sunny
|
83°F |
3 to 7 mph
WSW
|
|
Saturday Night
Oct 17
|
Clear
|
56°F |
6 mph
SSE
|
|
Sunday
Oct 18
|
Sunny
|
79°F |
7 mph
SE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
52°F |
6 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
69°F |
7 mph
S
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain
|
48°F |
1 to 5 mph
ESE
|
|
Tuesday
Oct 20
|
Slight Chance Light Rain
|
68°F |
5 mph
WSW
|
|
Tuesday Night
Oct 20
|
Slight Chance Light Rain then Partly Cloudy
|
49°F |
3 mph
NNW
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Light Rain
|
68°F |
5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Penn Valley.