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Plan your week in Colusa County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Colusa County 7-Day Weather Forecast

Wednesday, Oct 21, 2026

Daytime
70°F

Partly Cloudy

Feels like 70°F

Humidity

61%

Wind Speed

4.7 mph

Precipitation

0 in

Pressure

1010 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

100%

Dew Point

61°F

7-Day Weather Forecast

Today

Oct 21

Partly Cloudy
70°H
70°L
0%

Thu

Oct 22

Partly Cloudy
69°H
57°L
18%

Fri

Oct 23

Partly Cloudy
73°H
57°L
30%

Sat

Oct 24

Partly Cloudy
71°H
56°L
0%

Sun

Oct 25

Partly Cloudy
76°H
49°L
0%

Mon

Oct 26

Partly Cloudy
72°H
49°L
0%

Tue

Oct 27

Partly Cloudy
71°H
47°L
0%

24-Hour Forecast

10 PM

70°

0%

11 PM

70°

0%

12 AM

69°

0%

1 AM

67°

0%

2 AM

64°

0%

3 AM

63°

0%

4 AM

62°

0%

5 AM

62°

0%

6 AM

61°

0%

7 AM

60°

0%

8 AM

59°

0%

9 AM

58°

6%

10 AM

59°

3%

11 AM

58°

0%

12 PM

58°

0%

1 PM

57°

0%

2 PM

58°

0%

3 PM

58°

0%

4 PM

60°

3%

5 PM

62°

9%

6 PM

62°

15%

7 PM

63°

0%

8 PM

66°

0%

9 PM

66°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

245.9° WSW

Sustained Wind

4.7 mph

Wind Gusts

4.7 mph

7-Day Temp Range

Week's Hottest

76°F

Max Rain Prob

30%

Expected 7-Day Swings

47°
76°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Colusa County · 39.21°N, 122.12°W
Radar Page
Coordinates39.2150°N, 122.1196°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Colusa County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Colusa County Climate & Weather

Weather forecast for Colusa County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.