Portsmouth, IA Current Weather Conditions
▼Current Conditions — Portsmouth, IA
| DENISON (KDNS) |
 |
Clear50.0 F |
| Humidity: | 58% |
| Wind Speed: | 15.0 G 23.0 mph |
| Barometer: | 30.51 in |
| Dewpoint: | 35.6 F |
| Visibility: | 10.00 mi |
| Precip: | -- |
| Heat Index: | NA |
| Wind Chill: | NA |
|
| Oct 17 2026, 10:55 AM CDT |
|
|
▼State Weather Snapshot — Iowa
▼Hourly Observation History — Portsmouth, IA
| Time |
Wind
(mph) |
Vis
(mi) |
Weather |
Precip (in) |
Temperature (F) |
Relative
Humidity |
Wind
Chill
(F) |
Heat
Index
(F) |
Pressure |
| Air |
Dwpt |
altimeter
(in) |
sea level
(mb) |
| 10:55 AM CDT |
15.0 G 23.0 |
10.00 |
Clear |
-- |
50.0 |
35.6 |
58% |
NA |
NA |
30.51 |
1032.9 |
| 10:35 AM CDT |
13.9 G 21.9 |
10.00 |
Clear |
-- |
48.2 |
35.6 |
62% |
42.6 |
NA |
30.51 |
1032.9 |
| 10:15 AM CDT |
SW 15.0 G 23.0 |
10.00 |
Clear |
-- |
46.4 |
35.6 |
66% |
40.1 |
NA |
30.51 |
1033.2 |
| 09:55 AM CDT |
13.9 G 20.8 |
10.00 |
Clear |
-- |
NULL |
35.6 |
% |
NA |
NA |
30.51 |
1033.2 |
| 09:35 AM CDT |
11.4 |
10.00 |
Clear |
-- |
42.8 |
37.4 |
81% |
36.5 |
NA |
30.52 |
1033.5 |
| 09:15 AM CDT |
8.1 |
10.00 |
Clear |
-- |
41.0 |
35.6 |
81% |
35.8 |
NA |
30.52 |
1033.5 |
| 08:55 AM CDT |
S 8.1 |
10.00 |
Clear |
-- |
37.4 |
35.6 |
93% |
31.5 |
NA |
30.52 |
1033.5 |
| 08:35 AM CDT |
S 8.1 |
10.00 |
Clear |
-- |
35.6 |
33.8 |
93% |
29.1 |
NA |
30.52 |
1033.5 |
| 08:15 AM CDT |
S 5.8 |
10.00 |
Clear |
-- |
33.8 |
32.0 |
93% |
28.6 |
NA |
30.52 |
1033.5 |
| 07:55 AM CDT |
S 5.8 |
10.00 |
Clear |
-- |
32.0 |
32.0 |
100% |
26.4 |
NA |
30.52 |
1033.5 |
| 07:35 AM CDT |
0.0 |
10.00 |
Mostly Clear |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.52 |
1033.5 |
| 07:15 AM CDT |
0.0 |
10.00 |
Mostly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.52 |
1033.5 |
| 06:55 AM CDT |
0.0 |
10.00 |
Partly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.53 |
1033.9 |
| 06:35 AM CDT |
0.0 |
10.00 |
Mostly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.53 |
1033.9 |
| 06:15 AM CDT |
0.0 |
10.00 |
Mostly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.54 |
1034.2 |
| 05:55 AM CDT |
|
10.00 |
Partly Cloudy |
-- |
NULL |
|
% |
NA |
NA |
|
M |
| 05:35 AM CDT |
0.0 |
10.00 |
Mostly Clear |
-- |
30.2 |
30.2 |
100% |
NA |
NA |
30.54 |
1034.2 |
| 05:15 AM CDT |
0.0 |
10.00 |
Partly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.53 |
1033.9 |
| 04:55 AM CDT |
3.4 |
10.00 |
Partly Cloudy |
-- |
28.4 |
28.4 |
100% |
24.8 |
NA |
30.53 |
1033.9 |
| 04:35 AM CDT |
0.0 |
10.00 |
Partly Cloudy |
-- |
28.4 |
28.4 |
100% |
NA |
NA |
30.54 |
1034.2 |
| 04:15 AM CDT |
0.0 |
10.00 |
NULL |
-- |
30.2 |
30.2 |
100% |
NA |
NA |
30.54 |
1034.2 |
| 03:55 AM CDT |
|
10.00 |
Mostly Clear |
-- |
NULL |
|
% |
NA |
NA |
|
M |
| 03:35 AM CDT |
3.4 |
10.00 |
Mostly Clear |
-- |
30.2 |
30.2 |
100% |
26.8 |
NA |
30.56 |
1034.9 |
| 03:15 AM CDT |
0.0 |
10.00 |
Mostly Clear |
-- |
NULL |
|
% |
NA |
NA |
30.56 |
1034.9 |
|
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