Grass Valley, CA Weather Forecast

Local 7-day forecast

78°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grass Valley, CA in one place.

Sunday, May 31, 2026
Wind: 0 to 5 mph WSW
Sunday

Sunny, with a high near 78. West southwest wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Grass 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: May 31, 2026 12:46 AM PDT.

The active forecast window currently covers May 31 to Jun 6, 2026 for Grass Valley, CA.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 6, 2026
Latest sync
May 31, 2026 12:46 AM PDT
Forecast office
STO
Source
NOAA / NWS
Next High
78°F
Sunday
Next Low
54°F
Sunday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
2 to 7 mph
Friday

Daily Outlook

Today
May 31
Sunny
78 °F
/ 54°F
Wind 0 to 5 mph
Mon
Jun 1
Sunny
82 °F
/ 56°F
Wind 1 to 5 mph
Tue
Jun 2
Sunny
84 °F
/ 57°F
Wind 1 to 5 mph
Wed
Jun 3
Sunny
83 °F
/ 56°F
Wind 0 to 6 mph
Thu
Jun 4
Sunny
83 °F
/ 57°F
Wind 1 to 6 mph
Fri
Jun 5
Sunny
82 °F
/ 55°F
Wind 2 to 7 mph
Sat
Jun 6
Sunny
76 °F
Wind 2 to 7 mph

This Week in Grass Valley

Tuesday looks like the warmest upcoming period in Grass Valley at 84 degrees F.

Sunday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Friday at about 2 to 7 mph S.

The forecast from May 31 through Jun 6 stays mostly dry.

Forecast Details

Last updated
May 31, 2026 12:46 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 source

Extended Forecast

Sunday Night
May 31
54°F
Clear
3 mph N

Clear. Low around 54, with temperatures rising to around 56 overnight. North wind around 3 mph.

Monday
Jun 1
82°F
Sunny
1 to 5 mph WSW

Sunny, with a high near 82. West southwest wind 1 to 5 mph.

Monday Night
Jun 1
56°F
Mostly Clear
3 mph ESE

Mostly clear, with a low around 56. East southeast wind around 3 mph.

Tuesday
Jun 2
84°F
Sunny
1 to 5 mph SW

Sunny, with a high near 84.

Tuesday Night
Jun 2
57°F
Partly Cloudy
3 mph SE

Partly cloudy, with a low around 57.

Wednesday
Jun 3
83°F
Sunny
0 to 6 mph S

Sunny, with a high near 83.

Wednesday Night
Jun 3
56°F
Clear
1 to 5 mph ESE

Clear, with a low around 56.

Thursday
Jun 4
83°F
Sunny
1 to 6 mph NNW

Sunny, with a high near 83.

Thursday Night
Jun 4
57°F
Clear
5 mph S

Clear, with a low around 57.

Friday
Jun 5
82°F
Sunny
2 to 7 mph S

Sunny, with a high near 82.

Friday Night
Jun 5
55°F
Mostly Clear
2 to 6 mph SSE

Mostly clear, with a low around 55.

Saturday
Jun 6
76°F
Sunny
2 to 7 mph S

Sunny, with a high near 76.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Sunny
78°F
0 to 5 mph
WSW
Sunday Night
May 31
Clear
54°F
3 mph
N
Monday
Jun 1
Sunny
82°F
1 to 5 mph
WSW
Monday Night
Jun 1
Mostly Clear
56°F
3 mph
ESE
Tuesday
Jun 2
Sunny
84°F
1 to 5 mph
SW
Tuesday Night
Jun 2
Partly Cloudy
57°F
3 mph
SE
Wednesday
Jun 3
Sunny
83°F
0 to 6 mph
S
Wednesday Night
Jun 3
Clear
56°F
1 to 5 mph
ESE
Thursday
Jun 4
Sunny
83°F
1 to 6 mph
NNW
Thursday Night
Jun 4
Clear
57°F
5 mph
S
Friday
Jun 5
Sunny
82°F
2 to 7 mph
S
Friday Night
Jun 5
Mostly Clear
55°F
2 to 6 mph
SSE
Saturday
Jun 6
Sunny
76°F
2 to 7 mph
S
GrassValleyCAHotel
GrassValleyCAHotel image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.