Hourly Weather Forecast - Portsmouth, IA

12 AM
26°F
0%
8mph
S
Partly Cloudy
Humidity
87%
Feels like
18°F
Dew Point
23°F
1 AM
26°F
0%
6mph
SSW
Partly Cloudy
Humidity
87%
Feels like
19°F
Dew Point
23°F
2 AM
26°F
0%
5mph
SSW
Mostly Clear
Humidity
87%
Feels like
20°F
Dew Point
23°F
3 AM
26°F
0%
5mph
SW
Clear
Humidity
87%
Feels like
20°F
Dew Point
23°F
4 AM
26°F
0%
4mph
WSW
Clear
Humidity
86%
Feels like
21°F
Dew Point
22°F
5 AM
26°F
0%
4mph
WSW
Clear
Humidity
85%
Feels like
22°F
Dew Point
22°F
6 AM
26°F
0%
3mph
W
Mostly Clear
Humidity
88%
Feels like
22°F
Dew Point
23°F
7 AM
28°F
0%
3mph
WNW
Partly Cloudy
Humidity
88%
Feels like
24°F
Dew Point
25°F
7:29 AM
8 AM
30°F
0%
3mph
WNW
Mostly Sunny
Humidity
88%
Feels like
27°F
Dew Point
27°F
9 AM
34°F
0%
3mph
WNW
Sunny
Humidity
88%
Feels like
31°F
Dew Point
31°F
10 AM
38°F
0%
3mph
WNW
Sunny
Humidity
85%
Feels like
36°F
Dew Point
34°F
11 AM
42°F
0%
4mph
W
Sunny
Humidity
81%
Feels like
40°F
Dew Point
37°F
12 PM
47°F
0%
5mph
W
Sunny
Humidity
75%
Feels like
45°F
Dew Point
39°F
1 PM
51°F
0%
5mph
W
Sunny
Humidity
70%
Feels like
51°F
Dew Point
42°F
2 PM
54°F
0%
6mph
WSW
Mostly Sunny
Humidity
66%
Feels like
54°F
Dew Point
43°F
3 PM
57°F
0%
7mph
WSW
Mostly Sunny
Humidity
62%
Feels like
57°F
Dew Point
44°F
4 PM
58°F
0%
6mph
WSW
Mostly Sunny
Humidity
60%
Feels like
58°F
Dew Point
45°F
5 PM
58°F
0%
6mph
SW
Mostly Sunny
Humidity
62%
Feels like
58°F
Dew Point
45°F
6 PM
56°F
0%
5mph
SW
Partly Cloudy
Humidity
66%
Feels like
56°F
Dew Point
45°F
7 PM
55°F
0%
4mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
55°F
Dew Point
45°F
7:31 PM
8 PM
53°F
0%
4mph
SSW
Cloudy
Humidity
75%
Feels like
53°F
Dew Point
45°F
9 PM
50°F
0%
5mph
S
Mostly Cloudy
Humidity
79%
Feels like
50°F
Dew Point
44°F
10 PM
48°F
0%
5mph
S
Mostly Cloudy
Humidity
83%
Feels like
46°F
Dew Point
43°F
11 PM
47°F
0%
5mph
S
Mostly Cloudy
Humidity
85%
Feels like
45°F
Dew Point
43°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

While most of the U.S. sees dry weather, Mother Nature still has a couple tricks up its sleeves on Wednesday.

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

When Does Spring Begin?

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

Strong Winds in the Springtime

The 2011 St. Patrick's Day Parade in Hornell, New York. (Marduk via Wikimedia Commons)

The History of St. Patrick's Day

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

Blizzard: Its True Definition

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