Posen Weather Forecast 15 Days, Weather in Posen Today
Current weather conditions and 15 day weather forecast for Posen, Illinois, 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 Posen
| 25 March 2026 Wednesday 21.1 ° C / 70°F  Sunny |
Feels Like : 21.1 ° C / 70°F Humidity : % 22 Pressure : 1010 mb Wind Speed : 23 kmph / 14.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Posen, IL, USA
Weather Forecast for next 15 Days for Posen 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 Posen, Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 March 2026 Wednesday | Sunny |
2.3 ° C (36.1°F) |
25.2 ° C (77.4°F) |
13.2 ° C (55.7°F) |
% 46 | 0% | 1.3 | Sunrise:06:45 AM Sunset: 07:09 PM |
Moonrise:11:00 AM Moonset: 02:24 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Heavy rain |
2.4 ° C (36.3°F) |
19.8 ° C (67.6°F) |
12 ° C (53.6°F) |
% 84 | 86% | 1.1 | Sunrise:06:44 AM Sunset: 07:10 PM |
Moonrise:12:11 PM Moonset: 03:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Moderate or heavy snow showers |
-0.8 ° C (30.6°F) |
3.4 ° C (38.1°F) |
0.9 ° C (33.7°F) |
% 83 | 86% | 1.5 | Sunrise:06:42 AM Sunset: 07:11 PM |
Moonrise:01:26 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-2.7 ° C (27.1°F) |
9.1 ° C (48.4°F) |
2.9 ° C (37.3°F) |
% 60 | 0% | 1.2 | Sunrise:06:40 AM Sunset: 07:12 PM |
Moonrise:02:39 PM Moonset: 04:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Patchy rain nearby |
3.5 ° C (38.3°F) |
11.1 ° C (51.9°F) |
7.4 ° C (45.3°F) |
% 56 | 61% | 1.2 | Sunrise:06:38 AM Sunset: 07:13 PM |
Moonrise:03:51 PM Moonset: 05:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
7.9 ° C (46.3°F) |
20.4 ° C (68.7°F) |
12 ° C (53.5°F) |
% 74 | 76% | 0 | Sunrise:06:37 AM Sunset: 07:14 PM |
Moonrise:05:00 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Moderate rain |
7.5 ° C (45.5°F) |
11 ° C (51.8°F) |
9.7 ° C (49.5°F) |
% 93 | 80% | 2 | Sunrise:06:35 AM Sunset: 07:15 PM |
Moonrise:06:07 PM Moonset: 05:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
15.3 ° C (59.5°F) |
23.5 ° C (74.2°F) |
19.2 ° C (66.6°F) |
% 80 | 68% | 4 | Sunrise:06:33 AM Sunset: 07:16 PM |
Moonrise:07:12 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
5.1 ° C (41.1°F) |
17.3 ° C (63.2°F) |
13.1 ° C (55.6°F) |
% 84 | 81% | 3 | Sunrise:06:32 AM Sunset: 07:17 PM |
Moonrise:08:17 PM Moonset: 06:30 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
2.7 ° C (36.8°F) |
3.5 ° C (38.2°F) |
3.3 ° C (38°F) |
% 86 | 88% | 1 | Sunrise:06:30 AM Sunset: 07:19 PM |
Moonrise:09:23 PM Moonset: 06:52 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
1.9 ° C (35.3°F) |
11.2 ° C (52.2°F) |
6.2 ° C (43.1°F) |
% 63 | 0% | 3 | Sunrise:06:28 AM Sunset: 07:20 PM |
Moonrise:10:28 PM Moonset: 07:17 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday |  Overcast |
4.6 ° C (40.2°F) |
16.2 ° C (61.2°F) |
10 ° C (50.1°F) |
% 58 | 0% | 3 | Sunrise:06:27 AM Sunset: 07:21 PM |
Moonrise:11:32 PM Moonset: 07:46 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
1.5 ° C (34.8°F) |
5.8 ° C (42.5°F) |
4.6 ° C (40.2°F) |
% 55 | 80% | 1 | Sunrise:06:25 AM Sunset: 07:22 PM |
Moonrise:No moonrise Moonset: 08:21 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
-0.7 ° C (30.7°F) |
7.2 ° C (44.9°F) |
2.8 ° C (37°F) |
% 42 | 0% | 2 | Sunrise:06:23 AM Sunset: 07:23 PM |
Moonrise:12:32 AM Moonset: 09:05 AM Moon Phase ( Waning Gibbous ) |
|
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