Harper Weather Forecast 15 Days, Weather in Harper Today
Current weather conditions and 15 day weather forecast for Harper, 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 Harper
| 19 September 2026 Saturday 26.9 ° C / 80.5°F  Overcast |
Feels Like : 28.5 ° C / 83.3°F Humidity : % 66 Pressure : 1010 mb Wind Speed : 18 kmph / 11.2 miles from S  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Harper, IA, USA
Weather Forecast for next 15 Days for Harper 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 Harper, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 September 2026 Saturday |  Light rain shower |
19.2 ° C (66.6°F) |
27.5 ° C (81.5°F) |
22.6 ° C (72.6°F) |
% 89 | 90% | 5.5 | Sunrise:06:52 AM Sunset: 07:11 PM |
Moonrise:03:55 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday |  Patchy rain nearby |
15.3 ° C (59.5°F) |
19.9 ° C (67.9°F) |
16.4 ° C (61.5°F) |
% 95 | 94% | 1.6 | Sunrise:06:53 AM Sunset: 07:09 PM |
Moonrise:04:32 PM Moonset: 12:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Patchy rain nearby |
12.6 ° C (54.6°F) |
15.2 ° C (59.3°F) |
13.8 ° C (56.8°F) |
% 88 | 75% | 0.9 | Sunrise:06:54 AM Sunset: 07:07 PM |
Moonrise:05:02 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Light rain shower |
10.6 ° C (51.2°F) |
12.8 ° C (55°F) |
11.7 ° C (53°F) |
% 94 | 90% | 0.8 | Sunrise:06:55 AM Sunset: 07:06 PM |
Moonrise:05:27 PM Moonset: 02:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday |  Sunny |
11.2 ° C (52.1°F) |
18.5 ° C (65.4°F) |
14.5 ° C (58.1°F) |
% 79 | 11% | 6 | Sunrise:06:56 AM Sunset: 07:04 PM |
Moonrise:05:49 PM Moonset: 03:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday |  Mist |
12.9 ° C (55.3°F) |
18 ° C (64.4°F) |
15.5 ° C (59.9°F) |
% 85 | 28% | 4 | Sunrise:06:57 AM Sunset: 07:02 PM |
Moonrise:06:09 PM Moonset: 04:56 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Light rain shower |
11 ° C (51.8°F) |
16.2 ° C (61.2°F) |
13.7 ° C (56.7°F) |
% 96 | 93% | 3 | Sunrise:06:58 AM Sunset: 07:00 PM |
Moonrise:06:28 PM Moonset: 05:58 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
10.3 ° C (50.6°F) |
20.7 ° C (69.3°F) |
15.2 ° C (59.4°F) |
% 79 | 54% | 5 | Sunrise:06:59 AM Sunset: 06:59 PM |
Moonrise:06:48 PM Moonset: 07:00 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
9.5 ° C (49°F) |
21.4 ° C (70.5°F) |
15.7 ° C (60.2°F) |
% 70 | 7% | 6 | Sunrise:07:00 AM Sunset: 06:57 PM |
Moonrise:07:09 PM Moonset: 08:05 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Patchy rain nearby |
15 ° C (59°F) |
18.1 ° C (64.6°F) |
16.3 ° C (61.3°F) |
% 81 | 86% | 4 | Sunrise:07:01 AM Sunset: 06:55 PM |
Moonrise:07:34 PM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
13.6 ° C (56.5°F) |
18.9 ° C (66.1°F) |
15.8 ° C (60.5°F) |
% 91 | 91% | 4 | Sunrise:07:02 AM Sunset: 06:54 PM |
Moonrise:08:04 PM Moonset: 10:20 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
11.4 ° C (52.6°F) |
16.6 ° C (61.9°F) |
13.6 ° C (56.5°F) |
% 85 | 24% | 5 | Sunrise:07:04 AM Sunset: 06:52 PM |
Moonrise:08:41 PM Moonset: 11:31 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
11.5 ° C (52.8°F) |
18 ° C (64.3°F) |
13.9 ° C (57°F) |
% 81 | 18% | 5 | Sunrise:07:05 AM Sunset: 06:50 PM |
Moonrise:09:27 PM Moonset: 12:41 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Patchy rain nearby |
12.4 ° C (54.3°F) |
17.5 ° C (63.6°F) |
14.5 ° C (58.2°F) |
% 83 | 34% | 4 | Sunrise:07:06 AM Sunset: 06:48 PM |
Moonrise:10:26 PM Moonset: 01:46 PM Moon Phase ( Last Quarter ) |
|
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