Hourly Weather Forecast - Portsmouth, IA

12 AM
57°F
0%
6mph
SE
Clear
Humidity
61%
Feels like
57°F
Dew Point
43°F
1 AM
56°F
0%
7mph
SE
Clear
Humidity
63%
Feels like
56°F
Dew Point
43°F
2 AM
55°F
0%
8mph
SE
Mostly Clear
Humidity
63%
Feels like
55°F
Dew Point
43°F
3 AM
55°F
0%
8mph
SSE
Partly Cloudy
Humidity
63%
Feels like
55°F
Dew Point
43°F
4 AM
54°F
0%
8mph
SSE
Cloudy
Humidity
64%
Feels like
54°F
Dew Point
42°F
5 AM
54°F
10%
8mph
S
Cloudy
Humidity
64%
Feels like
54°F
Dew Point
42°F
6 AM
54°F
10%
9mph
SSW
Cloudy
Humidity
65%
Feels like
54°F
Dew Point
43°F
7 AM
55°F
10%
8mph
SW
Cloudy
Humidity
64%
Feels like
55°F
Dew Point
43°F
7:15 AM
8 AM
55°F
10%
5mph
W
Mostly Cloudy
Humidity
62%
Feels like
55°F
Dew Point
43°F
9 AM
56°F
10%
6mph
NNW
Mostly Cloudy
Humidity
59%
Feels like
56°F
Dew Point
42°F
10 AM
58°F
10%
11mph
N
Partly Cloudy
Humidity
56%
Feels like
58°F
Dew Point
42°F
11 AM
60°F
10%
13mph
N
Partly Cloudy
Humidity
51%
Feels like
60°F
Dew Point
42°F
12 PM
62°F
10%
13mph
N
Mostly Cloudy
Humidity
45%
Feels like
62°F
Dew Point
40°F
1 PM
63°F
10%
14mph
N
Mostly Cloudy
Humidity
40%
Feels like
63°F
Dew Point
39°F
2 PM
64°F
10%
15mph
N
Mostly Cloudy
Humidity
37%
Feels like
64°F
Dew Point
37°F
3 PM
64°F
10%
17mph
N
Partly Cloudy
Humidity
34%
Feels like
64°F
Dew Point
35°F
4 PM
64°F
10%
18mph
N
Partly Cloudy
Humidity
32%
Feels like
64°F
Dew Point
33°F
5 PM
62°F
30%
17mph
NNE
30% Chance Rain Showers
Humidity
32%
Feels like
62°F
Dew Point
31°F
6 PM
59°F
30%
17mph
NNE
30% Chance Rain Showers
Humidity
33%
Feels like
59°F
Dew Point
30°F
7 PM
56°F
30%
16mph
NNE
30% Chance Rain Showers
Humidity
34%
Feels like
56°F
Dew Point
28°F
7:40 PM
8 PM
53°F
10%
16mph
NNE
Mostly Cloudy
Humidity
36%
Feels like
53°F
Dew Point
27°F
9 PM
50°F
10%
16mph
NNE
Mostly Cloudy
Humidity
39%
Feels like
50°F
Dew Point
26°F
10 PM
47°F
10%
16mph
N
Mostly Cloudy
Humidity
41%
Feels like
41°F
Dew Point
25°F
11 PM
44°F
10%
15mph
N
Cloudy
Humidity
44%
Feels like
37°F
Dew Point
24°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Sunday's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(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

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