Hourly Weather Forecast - Port Costa, CA

12 AM
50°F
0%
5mph
W
Hazy
Humidity
97%
Feels like
50°F
Dew Point
49°F
1 AM
49°F
0%
5mph
WSW
Hazy
Humidity
97%
Feels like
48°F
Dew Point
49°F
2 AM
49°F
0%
5mph
WSW
Partly Cloudy
Humidity
98%
Feels like
47°F
Dew Point
48°F
3 AM
48°F
0%
5mph
WSW
Foggy
Humidity
99%
Feels like
46°F
Dew Point
48°F
4 AM
47°F
0%
5mph
WSW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
5 AM
47°F
0%
5mph
WSW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
6 AM
48°F
0%
5mph
WSW
Foggy
Humidity
99%
Feels like
47°F
Dew Point
48°F
6:37 AM
7 AM
50°F
0%
5mph
WSW
Cloudy
Humidity
95%
Feels like
50°F
Dew Point
49°F
8 AM
53°F
0%
5mph
WSW
Cloudy
Humidity
90%
Feels like
53°F
Dew Point
50°F
9 AM
57°F
0%
5mph
WSW
Partly Cloudy
Humidity
81%
Feels like
57°F
Dew Point
51°F
10 AM
60°F
0%
6mph
WSW
Partly Cloudy
Humidity
74%
Feels like
60°F
Dew Point
52°F
11 AM
63°F
0%
6mph
WSW
Partly Cloudy
Humidity
69%
Feels like
63°F
Dew Point
53°F
12 PM
65°F
0%
7mph
WSW
Partly Cloudy
Humidity
66%
Feels like
65°F
Dew Point
53°F
1 PM
66°F
0%
9mph
WSW
Partly Cloudy
Humidity
65%
Feels like
66°F
Dew Point
54°F
2 PM
66°F
0%
9mph
WSW
Partly Cloudy
Humidity
65%
Feels like
66°F
Dew Point
54°F
3 PM
65°F
0%
9mph
WSW
Mostly Sunny
Humidity
68%
Feels like
65°F
Dew Point
54°F
4 PM
62°F
0%
9mph
WSW
Mostly Sunny
Humidity
73%
Feels like
62°F
Dew Point
54°F
5 PM
59°F
0%
10mph
WSW
Mostly Sunny
Humidity
78%
Feels like
59°F
Dew Point
52°F
6 PM
56°F
0%
9mph
W
Mostly Sunny
Humidity
83%
Feels like
56°F
Dew Point
51°F
6:04 PM
7 PM
54°F
0%
9mph
W
Mostly Clear
Humidity
86%
Feels like
54°F
Dew Point
50°F
8 PM
52°F
0%
9mph
WSW
Mostly Clear
Humidity
90%
Feels like
52°F
Dew Point
49°F
9 PM
51°F
0%
9mph
WSW
Hazy
Humidity
93%
Feels like
51°F
Dew Point
49°F
10 PM
50°F
0%
8mph
WSW
Partly Cloudy
Humidity
95%
Feels like
50°F
Dew Point
49°F
11 PM
49°F
0%
8mph
WSW
Partly Cloudy
Humidity
97%
Feels like
46°F
Dew Point
49°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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