Current weather conditions and 15 day weather forecast for Mason City, 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.
| 25 September 2026 Friday 17.8 ° C / 64°F ![]() Overcast |
Feels Like : 17.4 ° C / 63.3°F Humidity : % 72 Pressure : 1025 mb Wind Speed : 6.1 kmph / 3.8 miles from E ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 September 2026 Friday | Overcast |
13.8 ° C (56.9°F) |
19.3 ° C (66.8°F) |
16.8 ° C (62.3°F) |
% 75 | 18% | 1 | Sunrise:06:49 AM Sunset: 06:51 PM |
Moonrise:06:19 PM Moonset: 05:48 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
12.4 ° C (54.3°F) |
21.7 ° C (71.1°F) |
16.8 ° C (62.2°F) |
% 56 | 12% | 3.8 | Sunrise:06:50 AM Sunset: 06:49 PM |
Moonrise:06:39 PM Moonset: 06:50 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
15.1 ° C (59.1°F) |
24.7 ° C (76.5°F) |
18.9 ° C (66°F) |
% 47 | 5% | 4.5 | Sunrise:06:51 AM Sunset: 06:48 PM |
Moonrise:07:02 PM Moonset: 07:53 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
10.9 ° C (51.7°F) |
25.4 ° C (77.7°F) |
18 ° C (64.3°F) |
% 48 | 3% | 5.4 | Sunrise:06:52 AM Sunset: 06:46 PM |
Moonrise:07:27 PM Moonset: 08:59 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15.5 ° C (59.8°F) |
25.4 ° C (77.7°F) |
20.4 ° C (68.7°F) |
% 48 | 10% | 6 | Sunrise:06:53 AM Sunset: 06:44 PM |
Moonrise:07:57 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
17.8 ° C (64.1°F) |
23.4 ° C (74.1°F) |
19.5 ° C (67.1°F) |
% 75 | 84% | 4 | Sunrise:06:54 AM Sunset: 06:43 PM |
Moonrise:08:35 PM Moonset: 11:17 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Light rain shower |
17.4 ° C (63.2°F) |
24.4 ° C (75.9°F) |
20.1 ° C (68.1°F) |
% 90 | 90% | 6 | Sunrise:06:55 AM Sunset: 06:41 PM |
Moonrise:09:22 PM Moonset: 12:26 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Mist |
17.7 ° C (63.9°F) |
25.2 ° C (77.4°F) |
20.6 ° C (69.2°F) |
% 81 | 17% | 7 | Sunrise:06:56 AM Sunset: 06:40 PM |
Moonrise:10:21 PM Moonset: 01:31 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Partly Cloudy |
19.4 ° C (66.9°F) |
27.7 ° C (81.9°F) |
24 ° C (75.2°F) |
% 75 | 39% | 7 | Sunrise:06:57 AM Sunset: 06:38 PM |
Moonrise:11:29 PM Moonset: 02:28 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
17 ° C (62.6°F) |
29.1 ° C (84.4°F) |
23.8 ° C (74.9°F) |
% 77 | 69% | 7 | Sunrise:06:58 AM Sunset: 06:36 PM |
Moonrise:Does not rise today Moonset: 03:15 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Overcast |
8 ° C (46.4°F) |
16.5 ° C (61.7°F) |
11.6 ° C (52.9°F) |
% 67 | 68% | 4 | Sunrise:06:59 AM Sunset: 06:35 PM |
Moonrise:12:43 AM Moonset: 03:54 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
4.4 ° C (39.9°F) |
12.6 ° C (54.8°F) |
8.4 ° C (47.1°F) |
% 53 | 3% | 4 | Sunrise:07:00 AM Sunset: 06:33 PM |
Moonrise:02:01 AM Moonset: 04:26 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
5.7 ° C (42.3°F) |
19.2 ° C (66.5°F) |
11.7 ° C (53.1°F) |
% 52 | 3% | 5 | Sunrise:07:01 AM Sunset: 06:31 PM |
Moonrise:03:17 AM Moonset: 04:53 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Overcast |
5.4 ° C (41.7°F) |
14.7 ° C (58.5°F) |
10.6 ° C (51°F) |
% 63 | 9% | 4 | Sunrise:07:02 AM Sunset: 06:30 PM |
Moonrise:04:33 AM Moonset: 05:19 PM Moon Phase ( Waning Crescent ) |
|