Portsmouth Weather Forecast 15 Days, Weather in Portsmouth Today
Current weather conditions and 15 day weather forecast for Portsmouth, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Portsmouth
| 05 October 2026 Monday 12.8 ° C / 55°F  Clear |
Feels Like : 11.1 ° C / 52°F Humidity : % 62 Pressure : 1026 mb Wind Speed : 4 kmph / 2.5 miles from N  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Portsmouth, IA, USA
Weather Forecast for next 15 Days for Portsmouth including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Portsmouth, Iowa state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 October 2026 Sunday | Sunny |
10.1 ° C (50.2°F) |
20.3 ° C (68.6°F) |
14.8 ° C (58.7°F) |
% 65 | 4% | 4.8 | Sunrise:07:22 AM Sunset: 06:59 PM |
Moonrise:Does not rise today Moonset: 03:44 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
10.4 ° C (50.8°F) |
20.4 ° C (68.7°F) |
14.6 ° C (58.3°F) |
% 65 | 4% | 4.8 | Sunrise:07:23 AM Sunset: 06:57 PM |
Moonrise:01:03 AM Moonset: 04:21 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
12.7 ° C (54.9°F) |
24.8 ° C (76.7°F) |
17.7 ° C (63.8°F) |
% 69 | 6% | 4.5 | Sunrise:07:24 AM Sunset: 06:55 PM |
Moonrise:02:21 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
15.3 ° C (59.5°F) |
22.5 ° C (72.5°F) |
18.2 ° C (64.8°F) |
% 67 | 9% | 4.2 | Sunrise:07:25 AM Sunset: 06:54 PM |
Moonrise:03:40 AM Moonset: 05:19 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday |  Overcast |
12.2 ° C (53.9°F) |
21.1 ° C (70°F) |
15.9 ° C (60.6°F) |
% 55 | 13% | 4.9 | Sunrise:07:26 AM Sunset: 06:52 PM |
Moonrise:04:56 AM Moonset: 05:43 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday | Sunny |
11.4 ° C (52.5°F) |
20.6 ° C (69.1°F) |
15.2 ° C (59.3°F) |
% 64 | 8% | 6 | Sunrise:07:27 AM Sunset: 06:51 PM |
Moonrise:06:12 AM Moonset: 06:06 PM Moon Phase ( New Moon ) |
|
| 10 October 2026 Saturday | Sunny |
11.5 ° C (52.7°F) |
25.5 ° C (77.9°F) |
17.7 ° C (63.9°F) |
% 68 | 37% | 7 | Sunrise:07:28 AM Sunset: 06:49 PM |
Moonrise:07:27 AM Moonset: 06:31 PM Moon Phase ( New Moon ) |
|
| 11 October 2026 Sunday | Sunny |
16.2 ° C (61.2°F) |
25.1 ° C (77.2°F) |
20.3 ° C (68.5°F) |
% 62 | 7% | 6 | Sunrise:07:29 AM Sunset: 06:47 PM |
Moonrise:08:42 AM Moonset: 06:59 PM Moon Phase ( New Moon ) |
|
| 12 October 2026 Monday | Sunny |
12.5 ° C (54.5°F) |
26.2 ° C (79.2°F) |
18.9 ° C (65.9°F) |
% 70 | 19% | 7 | Sunrise:07:30 AM Sunset: 06:46 PM |
Moonrise:09:57 AM Moonset: 07:31 PM Moon Phase ( Waxing Crescent ) |
|
| 13 October 2026 Tuesday |  Light drizzle |
4.7 ° C (40.5°F) |
12 ° C (53.6°F) |
8.1 ° C (46.6°F) |
% 91 | 91% | 2 | Sunrise:07:32 AM Sunset: 06:44 PM |
Moonrise:11:09 AM Moonset: 08:09 PM Moon Phase ( Waxing Crescent ) |
|
| 14 October 2026 Wednesday |  Moderate snow |
1 ° C (33.8°F) |
4.6 ° C (40.3°F) |
2.4 ° C (36.4°F) |
% 95 | 91% | 1 | Sunrise:07:33 AM Sunset: 06:42 PM |
Moonrise:12:16 PM Moonset: 08:55 PM Moon Phase ( Waxing Crescent ) |
|
| 15 October 2026 Thursday | Sunny |
1 ° C (33.9°F) |
11.5 ° C (52.8°F) |
5.3 ° C (41.5°F) |
% 73 | 11% | 4 | Sunrise:07:34 AM Sunset: 06:41 PM |
Moonrise:01:15 PM Moonset: 09:48 PM Moon Phase ( Waxing Crescent ) |
|
| 16 October 2026 Friday | Sunny |
4.8 ° C (40.6°F) |
13.9 ° C (57°F) |
8.7 ° C (47.7°F) |
% 72 | 7% | 4 | Sunrise:07:35 AM Sunset: 06:39 PM |
Moonrise:02:05 PM Moonset: 10:47 PM Moon Phase ( First Quarter ) |
|
| 17 October 2026 Saturday | Overcast |
4.7 ° C (40.5°F) |
11.5 ° C (52.7°F) |
7.2 ° C (44.9°F) |
% 73 | 15% | 4 | Sunrise:07:36 AM Sunset: 06:38 PM |
Moonrise:02:45 PM Moonset: 11:49 PM Moon Phase ( First Quarter ) |
|
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