Arnold, CA Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Arnold, CA in one place.
Clear, with a low around 46. Northeast wind around 3 mph.
Local Weather Overview
This forecast page for Arnold, 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: May 14, 2026 4:59 AM PDT.
The active forecast window currently covers May 14 to May 20, 2026 for Arnold, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 14 to May 20, 2026
- Latest sync
- May 14, 2026 4:59 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Arnold
Wednesday looks like the warmest upcoming period in Arnold at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Sunday at about 1 to 9 mph WNW.
The forecast from May 14 through May 20 stays mostly dry.
Forecast Details
- Last updated
- May 14, 2026 4:59 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 77, with temperatures falling to around 75 in the afternoon. West southwest wind 1 to 6 mph.
Clear, with a low around 48. North wind around 5 mph.
Sunny, with a high near 78. West northwest wind 2 to 8 mph, with gusts as high as 20 mph.
Clear, with a low around 45. North wind 3 to 8 mph, with gusts as high as 18 mph.
Sunny, with a high near 69.
Mostly clear, with a low around 43.
Sunny, with a high near 69.
Clear, with a low around 45.
Sunny, with a high near 74.
Clear, with a low around 47.
Sunny, with a high near 79.
Clear, with a low around 50.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 14
|
Clear
|
46°F |
3 mph
NE
|
|
Thursday
May 14
|
Sunny
|
77°F |
1 to 6 mph
WSW
|
|
Thursday Night
May 14
|
Clear
|
48°F |
5 mph
N
|
|
Friday
May 15
|
Sunny
|
78°F |
2 to 8 mph
WNW
|
|
Friday Night
May 15
|
Clear
|
45°F |
3 to 8 mph
N
|
|
Saturday
May 16
|
Sunny
|
69°F |
0 to 8 mph
NW
|
|
Saturday Night
May 16
|
Mostly Clear
|
43°F |
3 to 7 mph
N
|
|
Sunday
May 17
|
Sunny
|
69°F |
1 to 9 mph
WNW
|
|
Sunday Night
May 17
|
Clear
|
45°F |
5 to 9 mph
N
|
|
Monday
May 18
|
Sunny
|
74°F |
5 to 8 mph
WNW
|
|
Monday Night
May 18
|
Clear
|
47°F |
2 to 8 mph
NNE
|
|
Tuesday
May 19
|
Sunny
|
79°F |
3 to 7 mph
SW
|
|
Tuesday Night
May 19
|
Clear
|
50°F |
2 to 6 mph
NNW
|
|
Wednesday
May 20
|
Sunny
|
83°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arnold.