Current weather conditions and 15 day weather forecast for Mason City, 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.
| 12 May 2026 Tuesday 21.4 ° C / 70.5°F ![]() Sunny |
Feels Like : 21.4 ° C / 70.5°F Humidity : % 35 Pressure : 1011 mb Wind Speed : 28.8 kmph / 17.9 miles from W ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Patchy rain nearby |
13 ° C (55.4°F) |
28 ° C (82.4°F) |
19.7 ° C (67.4°F) |
% 37 | 76% | 7.1 | Sunrise:05:53 AM Sunset: 08:27 PM |
Moonrise:03:28 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
8.9 ° C (48.1°F) |
21.3 ° C (70.4°F) |
15 ° C (59°F) |
% 50 | 0% | 7.6 | Sunrise:05:52 AM Sunset: 08:28 PM |
Moonrise:03:48 AM Moonset: 04:58 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
9.8 ° C (49.6°F) |
22.4 ° C (72.3°F) |
16.3 ° C (61.3°F) |
% 57 | 88% | 7.7 | Sunrise:05:51 AM Sunset: 08:29 PM |
Moonrise:04:11 AM Moonset: 06:16 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
13.4 ° C (56.2°F) |
28.1 ° C (82.6°F) |
20.3 ° C (68.5°F) |
% 56 | 76% | 0.2 | Sunrise:05:50 AM Sunset: 08:30 PM |
Moonrise:04:37 AM Moonset: 07:39 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
15.2 ° C (59.3°F) |
27.9 ° C (82.3°F) |
21.3 ° C (70.4°F) |
% 44 | 80% | 5 | Sunrise:05:49 AM Sunset: 08:31 PM |
Moonrise:05:11 AM Moonset: 09:02 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Heavy rain |
16.4 ° C (61.6°F) |
22.6 ° C (72.8°F) |
20.2 ° C (68.4°F) |
% 87 | 87% | 5 | Sunrise:05:48 AM Sunset: 08:32 PM |
Moonrise:05:54 AM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
15.7 ° C (60.3°F) |
28.1 ° C (82.6°F) |
22.2 ° C (71.9°F) |
% 74 | 89% | 5 | Sunrise:05:47 AM Sunset: 08:33 PM |
Moonrise:06:50 AM Moonset: 11:32 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Overcast |
12.5 ° C (54.5°F) |
19.4 ° C (66.9°F) |
15.4 ° C (59.7°F) |
% 71 | 0% | 4 | Sunrise:05:46 AM Sunset: 08:34 PM |
Moonrise:08:00 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13.1 ° C (55.6°F) |
27 ° C (80.5°F) |
19.5 ° C (67.1°F) |
% 73 | 73% | 4 | Sunrise:05:45 AM Sunset: 08:35 PM |
Moonrise:09:17 AM Moonset: 12:26 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
13.6 ° C (56.5°F) |
23.5 ° C (74.3°F) |
18.5 ° C (65.2°F) |
% 57 | 0% | 5 | Sunrise:05:44 AM Sunset: 08:36 PM |
Moonrise:10:36 AM Moonset: 01:07 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Moderate rain |
14.2 ° C (57.5°F) |
17.5 ° C (63.5°F) |
15.7 ° C (60.3°F) |
% 89 | 79% | 4 | Sunrise:05:43 AM Sunset: 08:37 PM |
Moonrise:11:53 AM Moonset: 01:39 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
13.5 ° C (56.3°F) |
18 ° C (64.4°F) |
16.6 ° C (61.9°F) |
% 82 | 76% | 4 | Sunrise:05:42 AM Sunset: 08:38 PM |
Moonrise:01:06 PM Moonset: 02:03 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
10.6 ° C (51°F) |
23.4 ° C (74.1°F) |
16.8 ° C (62.3°F) |
% 60 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:39 PM |
Moonrise:02:14 PM Moonset: 02:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
12.4 ° C (54.4°F) |
23.8 ° C (74.8°F) |
18.1 ° C (64.6°F) |
% 72 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:40 PM |
Moonrise:03:21 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|