Hourly Weather Forecast - Port Costa, CA

12 AM
49°F
0%
9mph
WNW
Clear
Humidity
77%
Feels like
45°F
Dew Point
42°F
1 AM
48°F
0%
8mph
WNW
Clear
Humidity
79%
Feels like
44°F
Dew Point
42°F
2 AM
47°F
0%
8mph
WNW
Clear
Humidity
80%
Feels like
43°F
Dew Point
41°F
3 AM
46°F
0%
8mph
WNW
Clear
Humidity
81%
Feels like
42°F
Dew Point
40°F
4 AM
46°F
0%
8mph
WNW
Clear
Humidity
80%
Feels like
41°F
Dew Point
40°F
5 AM
46°F
0%
8mph
WNW
Clear
Humidity
79%
Feels like
42°F
Dew Point
40°F
6 AM
47°F
0%
8mph
WNW
Clear
Humidity
73%
Feels like
43°F
Dew Point
39°F
6:35 AM
7 AM
50°F
0%
8mph
WNW
Sunny
Humidity
68%
Feels like
46°F
Dew Point
40°F
8 AM
54°F
0%
8mph
WNW
Sunny
Humidity
62%
Feels like
54°F
Dew Point
41°F
9 AM
58°F
0%
9mph
NW
Sunny
Humidity
53%
Feels like
58°F
Dew Point
42°F
10 AM
63°F
0%
9mph
NW
Sunny
Humidity
47%
Feels like
63°F
Dew Point
42°F
11 AM
65°F
0%
10mph
NW
Sunny
Humidity
42%
Feels like
65°F
Dew Point
42°F
12 PM
67°F
0%
11mph
NNW
Sunny
Humidity
38%
Feels like
67°F
Dew Point
41°F
1 PM
68°F
0%
12mph
NNW
Sunny
Humidity
37%
Feels like
68°F
Dew Point
41°F
2 PM
69°F
0%
12mph
NNW
Sunny
Humidity
36%
Feels like
69°F
Dew Point
41°F
3 PM
67°F
0%
12mph
NW
Sunny
Humidity
38%
Feels like
67°F
Dew Point
41°F
4 PM
65°F
0%
12mph
NW
Sunny
Humidity
42%
Feels like
65°F
Dew Point
42°F
5 PM
62°F
0%
11mph
NW
Sunny
Humidity
47%
Feels like
62°F
Dew Point
42°F
6 PM
60°F
0%
11mph
WNW
Sunny
Humidity
52%
Feels like
60°F
Dew Point
42°F
6:06 PM
7 PM
58°F
0%
11mph
WNW
Mostly Clear
Humidity
57%
Feels like
58°F
Dew Point
43°F
8 PM
56°F
0%
10mph
WNW
Mostly Clear
Humidity
61%
Feels like
56°F
Dew Point
43°F
9 PM
55°F
0%
10mph
WNW
Partly Cloudy
Humidity
66%
Feels like
55°F
Dew Point
44°F
10 PM
54°F
0%
9mph
NW
Mostly Cloudy
Humidity
68%
Feels like
54°F
Dew Point
43°F
11 PM
53°F
0%
9mph
NW
Partly Cloudy
Humidity
67%
Feels like
53°F
Dew Point
42°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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