Hourly Weather Forecast - Isumi, Chiba, JP

12 AM
51°F
40%
7mph
N
40% Chance Rain Showers
Humidity
99%
Feels like
51°F
Dew Point
50°F
1 AM
50°F
30%
5mph
NNW
30% Chance Rain Showers
Humidity
100%
Feels like
50°F
Dew Point
50°F
2 AM
49°F
30%
4mph
NW
30% Chance Rain Showers
Humidity
100%
Feels like
48°F
Dew Point
49°F
3 AM
48°F
20%
4mph
WNW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
4 AM
47°F
20%
6mph
W
Hazy
Humidity
93%
Feels like
45°F
Dew Point
46°F
5 AM
46°F
20%
9mph
W
Clear
Humidity
81%
Feels like
42°F
Dew Point
41°F
6 AM
46°F
10%
11mph
WNW
Clear
Humidity
72%
Feels like
41°F
Dew Point
37°F
6:45 AM
7 AM
47°F
20%
11mph
WNW
Mostly Sunny
Humidity
72%
Feels like
41°F
Dew Point
38°F
8 AM
48°F
30%
11mph
NW
30% Chance Rain Showers
Humidity
76%
Feels like
43°F
Dew Point
40°F
9 AM
49°F
30%
11mph
NW
30% Chance Rain Showers
Humidity
74%
Feels like
45°F
Dew Point
41°F
10 AM
49°F
30%
13mph
NW
30% Chance Rain Showers
Humidity
65%
Feels like
45°F
Dew Point
38°F
11 AM
49°F
30%
14mph
NW
30% Chance Rain Showers
Humidity
53%
Feels like
44°F
Dew Point
33°F
12 PM
49°F
30%
15mph
NNW
30% Chance Rain Showers
Humidity
45%
Feels like
43°F
Dew Point
28°F
1 PM
48°F
20%
15mph
NNW
Sunny
Humidity
41%
Feels like
42°F
Dew Point
26°F
2 PM
48°F
10%
15mph
NNW
Mostly Sunny
Humidity
40%
Feels like
42°F
Dew Point
25°F
3 PM
47°F
10%
15mph
NNW
Partly Cloudy
Humidity
41%
Feels like
40°F
Dew Point
24°F
4 PM
45°F
10%
15mph
NNW
Partly Cloudy
Humidity
42%
Feels like
38°F
Dew Point
24°F
4:32 PM
5 PM
43°F
10%
15mph
NNW
Partly Cloudy
Humidity
46%
Feels like
35°F
Dew Point
23°F
6 PM
41°F
10%
14mph
N
Mostly Clear
Humidity
48%
Feels like
34°F
Dew Point
23°F
7 PM
40°F
10%
13mph
N
Mostly Clear
Humidity
51%
Feels like
32°F
Dew Point
24°F
8 PM
39°F
10%
13mph
N
Mostly Clear
Humidity
55%
Feels like
31°F
Dew Point
24°F
9 PM
38°F
10%
12mph
N
Clear
Humidity
57%
Feels like
31°F
Dew Point
25°F
10 PM
37°F
0%
11mph
N
Mostly Clear
Humidity
60%
Feels like
30°F
Dew Point
25°F
11 PM
37°F
0%
11mph
N
Partly Cloudy
Humidity
60%
Feels like
29°F
Dew Point
24°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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