Hourly Weather Forecast - Portsmouth, IA

9 AM
41°F
0%
4mph
NNE
Hazy
Humidity
93%
Feels like
39°F
Dew Point
39°F
10 AM
46°F
0%
3mph
NNE
Sunny
Humidity
87%
Feels like
46°F
Dew Point
42°F
11 AM
51°F
0%
3mph
NNE
Sunny
Humidity
78%
Feels like
51°F
Dew Point
44°F
12 PM
57°F
0%
3mph
NNE
Sunny
Humidity
67%
Feels like
57°F
Dew Point
46°F
1 PM
62°F
0%
2mph
N
Sunny
Humidity
57%
Feels like
62°F
Dew Point
47°F
2 PM
65°F
0%
1mph
NW
Sunny
Humidity
50%
Feels like
65°F
Dew Point
47°F
3 PM
68°F
0%
3mph
WSW
Sunny
Humidity
45%
Feels like
68°F
Dew Point
46°F
4 PM
70°F
0%
4mph
SW
Mostly Sunny
Humidity
41%
Feels like
70°F
Dew Point
45°F
5 PM
70°F
0%
5mph
SW
Mostly Sunny
Humidity
41%
Feels like
70°F
Dew Point
45°F
6 PM
69°F
0%
4mph
SSW
Partly Cloudy
Humidity
43%
Feels like
69°F
Dew Point
45°F
7 PM
67°F
0%
4mph
SSW
Partly Cloudy
Humidity
45%
Feels like
67°F
Dew Point
46°F
7:32 PM
8 PM
65°F
0%
5mph
S
Partly Cloudy
Humidity
49%
Feels like
65°F
Dew Point
46°F
9 PM
62°F
0%
6mph
S
Partly Cloudy
Humidity
54%
Feels like
62°F
Dew Point
45°F
10 PM
58°F
0%
6mph
S
Partly Cloudy
Humidity
60%
Feels like
58°F
Dew Point
45°F
11 PM
56°F
0%
6mph
SSW
Mostly Clear
Humidity
64%
Feels like
56°F
Dew Point
44°F

Today's High Temperature Outlook

Summer-Like Heat Scorches the Southwest

The calendar may stay it's only March, but it will feel like Summer across the Southwest over the next several days.

Today's Weather Outlook

Today's Weather Outlook

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

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