Hourly Weather Forecast - Portsmouth, IA

5 AM
23°F
0%
4mph
NNE
Mostly Clear
Humidity
90%
Feels like
18°F
Dew Point
21°F
6 AM
23°F
0%
4mph
NNE
Partly Cloudy
Humidity
92%
Feels like
18°F
Dew Point
21°F
7 AM
24°F
0%
3mph
NE
Partly Cloudy
Humidity
90%
Feels like
24°F
Dew Point
21°F
7:20 AM
8 AM
26°F
0%
3mph
ENE
Mostly Cloudy
Humidity
84%
Feels like
22°F
Dew Point
22°F
9 AM
29°F
0%
4mph
ENE
Partly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
22°F
10 AM
32°F
0%
6mph
E
Partly Cloudy
Humidity
67%
Feels like
26°F
Dew Point
22°F
11 AM
36°F
0%
7mph
ESE
Partly Cloudy
Humidity
58%
Feels like
30°F
Dew Point
22°F
12 PM
40°F
0%
8mph
ESE
Partly Cloudy
Humidity
48%
Feels like
35°F
Dew Point
22°F
1 PM
44°F
0%
9mph
SE
Mostly Cloudy
Humidity
40%
Feels like
39°F
Dew Point
21°F
2 PM
46°F
0%
9mph
SE
Mostly Cloudy
Humidity
35%
Feels like
42°F
Dew Point
20°F
3 PM
48°F
0%
10mph
SSE
Cloudy
Humidity
32%
Feels like
44°F
Dew Point
20°F
4 PM
49°F
0%
10mph
SSE
Cloudy
Humidity
31%
Feels like
45°F
Dew Point
20°F
5 PM
50°F
0%
10mph
SSE
Cloudy
Humidity
30%
Feels like
46°F
Dew Point
20°F
6 PM
49°F
0%
10mph
SSE
Cloudy
Humidity
31%
Feels like
45°F
Dew Point
19°F
7 PM
48°F
0%
10mph
SSE
Cloudy
Humidity
33%
Feels like
44°F
Dew Point
20°F
7:37 PM
8 PM
46°F
0%
9mph
SSE
Cloudy
Humidity
36%
Feels like
42°F
Dew Point
21°F
9 PM
44°F
0%
9mph
SSE
Mostly Cloudy
Humidity
41%
Feels like
40°F
Dew Point
22°F
10 PM
43°F
0%
9mph
SSE
Mostly Cloudy
Humidity
44%
Feels like
37°F
Dew Point
22°F
11 PM
41°F
0%
9mph
SSE
Mostly Cloudy
Humidity
47%
Feels like
36°F
Dew Point
23°F

Today's Weather Outlook

Today's Weather Outlook

Rain and snow will slide through the Northeast while drier weather continues in the Central and Western U.S.

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Sun Safety: Protect Your Skin During Spring

Pile of hail after a hail storm hits Perth.

How Does Hail Form?

(Image provided by Pixabay.com)

Lightning Safety

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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