Hourly Weather Forecast - Vacaville, CA

12 AM
43°F
20%
4mph
WSW
Partly Cloudy
Humidity
98%
Feels like
40°F
Dew Point
42°F
1 AM
42°F
20%
4mph
W
Partly Cloudy
Humidity
98%
Feels like
40°F
Dew Point
42°F
2 AM
42°F
30%
4mph
W
30% Chance Rain Showers
Humidity
100%
Feels like
39°F
Dew Point
42°F
3 AM
41°F
30%
3mph
W
30% Chance Rain Showers
Humidity
100%
Feels like
39°F
Dew Point
41°F
4 AM
40°F
30%
3mph
WNW
30% Chance Rain Showers
Humidity
100%
Feels like
38°F
Dew Point
40°F
5 AM
39°F
30%
3mph
NW
30% Chance Rain Showers
Humidity
100%
Feels like
37°F
Dew Point
39°F
6 AM
39°F
30%
4mph
NNW
30% Chance Rain Showers
Humidity
100%
Feels like
37°F
Dew Point
39°F
7 AM
41°F
30%
4mph
N
30% Chance Rain Showers
Humidity
100%
Feels like
38°F
Dew Point
41°F
7:03 AM
8 AM
44°F
30%
4mph
N
30% Chance Rain Showers
Humidity
94%
Feels like
43°F
Dew Point
42°F
9 AM
49°F
30%
4mph
NNE
30% Chance Rain Showers
Humidity
82%
Feels like
47°F
Dew Point
43°F
10 AM
52°F
40%
5mph
NNE
40% Chance Rain Showers
Humidity
74%
Feels like
52°F
Dew Point
44°F
11 AM
55°F
40%
5mph
NNE
40% Chance Rain Showers
Humidity
69%
Feels like
55°F
Dew Point
45°F
12 PM
56°F
40%
6mph
N
40% Chance Rain Showers
Humidity
65%
Feels like
56°F
Dew Point
45°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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