Weather forecast for todayGrass Valley, CA

Weather forecast for today

Current condition 1:54 pm PDT

  • 68°F
  • Feels like:
    68°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 4mphW 280°
  • Humidity: 38%
  • Dewpoint: 41°F
  • Pressure: 29.82"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
Currently, in Grass Valley, the air is calm, and fair conditions continue without disruption.
The temperature is a pleasant 68°F. The current temperature is the maximum expected temperature of the day.

Wednesday Oct 21, 2026

  • 68°F
  • 55°F
Rain
Rain
  • Precip. probability: 59%
  • Precipitation: 0.24"
  • Wind: 4mphW 265°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:20 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
Today, in Grass Valley, steady showers will keep conditions wet, with little relief.
The chance of precipitation is high. However, the rainfall will be light. The temperature will fluctuate from a high of a pleasant 68°F to a low of a mild 55.4°F.
The day’s highest temperature is expected to be slightly cooler than the standard October average of 72°F.
Sunrise was at 7:20 am and sunset will be at 6:17 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 68°C.
Coldest period: 8 pm - 11 pm 57°C.

Chance of precipitation

Highest chance: 7 pm 78%.

Hourly weather forecast

  • 2 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphWNW 289°
  • Humidity: 39%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 66°F
  • Feels like:
    66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphWNW 295°
  • Humidity: 46%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Wind: 4mphW 276°
  • Humidity: 50%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphWSW 252°
  • Humidity: 61%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Rain
Rain
  • Precip. probability: 59%
  • Precipitation: 0.04"
  • Wind: 2mphSSW 207°
  • Humidity: 67%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 6:17 pm
  • 7 pm
  • 59°F
  • Feels like:
    59°F
Rain
Rain
  • Precip. probability: 78%
  • Precipitation: 0.12"
  • Wind: 2mphSE 125°
  • Humidity: 70%
  • Pressure: 29.83"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Showers
Showers
  • Precip. probability: 68%
  • Precipitation: 0.08"
  • Wind: 2mphE 90°
  • Humidity: 74%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 9 pm
  • 57°F
  • Feels like:
    57°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Wind: 2mphENE 78°
  • Humidity: 76%
  • Pressure: 29.83"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 2mphENE 77°
  • Humidity: 74%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 11 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 2mphNNE 19°
  • Humidity: 75%
  • Pressure: 29.83"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 12 am
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 2mphNNW 336°
  • Humidity: 74%
  • Pressure: 29.83"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
For the rest of the day, a combination of wet and dull weather is predicted.
Rainfall is predicted at 4 pm, and from 6 pm to 10 pm. With light precipitation of 0.12", most rainfall is expected at 7 pm.
The temperature will be between a maximum of 68°F and a minimum of 57.2°F. The warmest part of the day is anticipated around 2 pm.
The high will be a couple of degrees lower than the normal maximum of 72°F for October. The nighttime low will be also slightly warmer than the typical October minimum temperature of 50.7°F.
Updated: Oct 21, 2026 @ 20:54:30 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 1:54 pm PDT is 68°F.

On Wednesday, showers will linger, keeping conditions wet for most of the day.

Light precipitation of 0.24" is forecasted. The chance of rainfall is 59%.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 55.4°F.
The maximum temperature will be slightly cooler than the average highest temperature of 72°F in October. The lowest temperature will be also a few degrees higher than the average low of 50.7°F.

On Wednesday, in Grass Valley, sunrise was at 7:20 am and sunset will be at 6:17 pm (PDT).

In Grass Valley, the length of the day today will be 10h and 56min.