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As of 19:48 PDT

Weather in Grass Valley, CA

85°Current weather

Grass Valley, Saturday, 8 August, 19:48

Clear. Feels like 85°. High 92°, low 63°.

Pressure29.83 inHg
Wind2.9 mph SE
Humidity42%
Visibility6.2 mi
Dew point59°
Sun, 0998° / 67°0Clear
98 °Clear

Grass Valley, Sunday, 9 August

Clear. High 98°, low 67°.

Pressure29.80 inHg
Wind8.4 mph SW
Humidity11%
Visibility6.2 mi
Dew point35°
Mon, 1098° / 66°0Overcast
98 °Overcast

Grass Valley, Monday, 10 August

Overcast. High 98°, low 66°.

Pressure29.83 inHg
Wind9.4 mph SW
Humidity9%
Visibility6.2 mi
Dew point28°
Tue, 1196° / 66°0Light rain
96 °Light rain

Grass Valley, Tuesday, 11 August

Light rain. High 96°, low 66°.

Pressure29.88 inHg
Wind8.5 mph SW
Humidity13%
Visibility6.2 mi
Dew point36°
Wed, 1294° / 69°0Partly cloudy
94 °Partly cloudy

Grass Valley, Wednesday, 12 August

Partly cloudy. High 94°, low 69°.

Pressure29.83 inHg
Wind8 mph SW
Humidity14%
Visibility6.2 mi
Dew point36°
Thu, 1388° / 67°0Light rain
88 °Light rain

Grass Valley, Thursday, 13 August

Light rain. High 88°, low 67°.

Pressure29.80 inHg
Wind9.5 mph SW
Humidity20%
Visibility—
Dew point40°
Fri, 1489° / 63°0Clear
89 °Clear

Grass Valley, Friday, 14 August

Clear. High 89°, low 63°.

Pressure29.88 inHg
Wind8.3 mph SW
Humidity20%
Visibility—
Dew point40°
Sat, 1589° / 64°0Clear
89 °Clear

Grass Valley, Saturday, 15 August

Clear. High 89°, low 64°.

Pressure29.94 inHg
Wind8.9 mph SW
Humidity21%
Visibility—
Dew point42°
Sun, 1689° / 63°0Overcast
89 °Overcast

Grass Valley, Sunday, 16 August

Overcast. High 89°, low 63°.

Pressure30.00 inHg
Wind7.7 mph SW
Humidity20%
Visibility—
Dew point40°
Mon, 1784° / 65°0Overcast
84 °Overcast

Grass Valley, Monday, 17 August

Overcast. High 84°, low 65°.

Pressure30.00 inHg
Wind7 mph SW
Humidity20%
Visibility—
Dew point37°
Tue, 1889° / 65°0Overcast
89 °Overcast

Grass Valley, Tuesday, 18 August

Overcast. High 89°, low 65°.

Pressure29.97 inHg
Wind7.7 mph SW
Humidity22%
Visibility—
Dew point42°
Wed, 1991° / 62°0Partly cloudy
91 °Partly cloudy

Grass Valley, Wednesday, 19 August

Partly cloudy. High 91°, low 62°.

Pressure29.91 inHg
Wind8.5 mph SW
Humidity14%
Visibility—
Dew point33°
Thu, 2089° / 61°0Overcast
89 °Overcast

Grass Valley, Thursday, 20 August

Overcast. High 89°, low 61°.

Pressure29.85 inHg
Wind7.8 mph SW
Humidity11%
Visibility—
Dew point25°
Fri, 2192° / 64°0Overcast
92 °Overcast

Grass Valley, Friday, 21 August

Overcast. High 92°, low 64°.

Pressure29.83 inHg
Wind8.9 mph SW
Humidity11%
Visibility—
Dew point28°
Sat, 2289° / 64°0Overcast
89 °Overcast

Grass Valley, Saturday, 22 August

Overcast. High 89°, low 64°.

Pressure29.88 inHg
Wind8.3 mph SW
Humidity18%
Visibility—
Dew point38°
Sun, 2390° / 63°0Clear
90 °Clear

Grass Valley, Sunday, 23 August

Clear. High 90°, low 63°.

Pressure29.88 inHg
Wind8.4 mph W
Humidity19%
Visibility—
Dew point40°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Grass Valley, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Grass Valley, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.