Hourly Weather Forecast - Isumi, Chiba, JP

12 AM
48°F
10%
6mph
WSW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
48°F
1 AM
49°F
20%
6mph
WSW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
49°F
2 AM
49°F
20%
6mph
WSW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
49°F
3 AM
50°F
20%
6mph
SW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
50°F
4 AM
51°F
10%
6mph
SSW
Partly Cloudy
Humidity
97%
Feels like
51°F
Dew Point
50°F
5 AM
52°F
10%
6mph
SSW
Partly Cloudy
Humidity
93%
Feels like
52°F
Dew Point
50°F
6 AM
53°F
10%
6mph
S
Partly Cloudy
Humidity
87%
Feels like
53°F
Dew Point
49°F
6:42 AM
7 AM
55°F
10%
6mph
S
Partly Cloudy
Humidity
82%
Feels like
55°F
Dew Point
49°F
8 AM
58°F
10%
7mph
S
Partly Cloudy
Humidity
74%
Feels like
58°F
Dew Point
49°F
9 AM
61°F
10%
8mph
S
Partly Cloudy
Humidity
66%
Feels like
61°F
Dew Point
49°F
10 AM
63°F
20%
10mph
S
Mostly Cloudy
Humidity
59%
Feels like
63°F
Dew Point
49°F
11 AM
65°F
30%
12mph
S
30% Chance Rain Showers
Humidity
55%
Feels like
65°F
Dew Point
49°F
12 PM
65°F
30%
13mph
S
30% Chance Rain Showers
Humidity
55%
Feels like
65°F
Dew Point
49°F
1 PM
65°F
30%
13mph
S
30% Chance Rain Showers
Humidity
57%
Feels like
65°F
Dew Point
50°F
2 PM
65°F
20%
12mph
S
Mostly Cloudy
Humidity
60%
Feels like
65°F
Dew Point
51°F
3 PM
63°F
30%
11mph
S
30% Chance Rain Showers
Humidity
64%
Feels like
63°F
Dew Point
51°F
4 PM
62°F
30%
10mph
S
30% Chance Rain Showers
Humidity
67%
Feels like
62°F
Dew Point
51°F
4:29 PM
5 PM
61°F
30%
9mph
S
30% Chance of Light Rain
Humidity
70%
Feels like
61°F
Dew Point
51°F
6 PM
61°F
30%
10mph
S
30% Chance of Light Rain
Humidity
71%
Feels like
61°F
Dew Point
51°F
7 PM
61°F
30%
10mph
S
30% Chance of Light Rain
Humidity
72%
Feels like
61°F
Dew Point
52°F
8 PM
61°F
30%
11mph
S
30% Chance of Light Rain
Humidity
73%
Feels like
61°F
Dew Point
53°F
9 PM
62°F
40%
12mph
S
40% Chance of Light Rain
Humidity
74%
Feels like
62°F
Dew Point
53°F
10 PM
62°F
30%
13mph
S
30% Chance of Light Rain
Humidity
75%
Feels like
62°F
Dew Point
54°F
11 PM
62°F
30%
15mph
S
30% Chance of Light Rain
Humidity
75%
Feels like
62°F
Dew Point
54°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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