Hourly Weather Forecast - Guerneville, CA

9 AM
40°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
10 AM
41°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
41°F
Dew Point
41°F
11 AM
43°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
12 PM
45°F
0%
2mph
SE
Partly Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
1 PM
46°F
0%
2mph
SE
Partly Cloudy
Humidity
93%
Feels like
46°F
Dew Point
44°F
2 PM
47°F
0%
2mph
SSE
Partly Cloudy
Humidity
94%
Feels like
47°F
Dew Point
45°F
3 PM
46°F
0%
2mph
S
Hazy
Humidity
95%
Feels like
46°F
Dew Point
44°F
4 PM
44°F
0%
2mph
SSW
Hazy
Humidity
97%
Feels like
44°F
Dew Point
43°F
4:51 PM
5 PM
42°F
0%
2mph
SSW
Foggy
Humidity
99%
Feels like
42°F
Dew Point
42°F
6 PM
41°F
0%
1mph
SW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
41°F
7 PM
40°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
8 PM
39°F
0%
1mph
W
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
9 PM
40°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
10 PM
39°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
11 PM
40°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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