Currently: 15 °F. Overcast. (Weather station: Mason City Municipal Airport, USA). See more current weatherPast Weather in Mason City — Graph
Mason City Temperature Yesterday
Maximum temperature yesterday: 16 °F (at 3:53 pm)
Minimum temperature yesterday: -9 °F (at 6:53 am)
Average temperature yesterday: 7 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 47 °F (Jan 13, 1:53 pm) | 100% (Jan 6, 5:53 am) | 30.46 "Hg (Jan 6, 5:53 am) |
| Low | -9 °F (Jan 20, 6:53 am) | 50% (Jan 14, 12:53 pm) | 29.39 "Hg (Jan 8, 6:23 pm) |
| Average | 21 °F | 82% | 29.94 "Hg |
| * Reported Jan 6 5:53 am — Jan 21 5:53 am, Mason City. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Mason City Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:53 am Wed, Jan 21 |  | 10 °F | Clear. | 8 mph | ↑ | 96% | 29.96 "Hg | 8 mi |
| 4:53 am |  | 13 °F | Passing clouds. | 9 mph | ↑ | 92% | 29.99 "Hg | 10 mi |
| 4:35 am |  | 14 °F | Partly cloudy. | 8 mph | ↑ | 92% | 29.94 "Hg | 10 mi |
| 3:53 am |  | 15 °F | Overcast. | 10 mph | ↑ | 91% | 30.00 "Hg | 10 mi |
| 2:53 am | | 12 °F | Overcast. | 6 mph | ↑ | 92% | 30.01 "Hg | 10 mi |
| 1:53 am | | 7 °F | Passing clouds. | 3 mph | ↑ | 96% | 30.03 "Hg | 9 mi |
| 1:31 am | | 8 °F | Passing clouds. | 3 mph | ↑ | 100% | 29.97 "Hg | 10 mi |
| 1:12 am | | 11 °F | Overcast. | No wind | ↑ | 96% | 29.97 "Hg | 8 mi |
| 12:53 am |  | 12 °F | Light snow. Ice fog. | 3 mph | ↑ | 92% | 30.03 "Hg | 4 mi |
| 11:53 pm Tue, Jan 20 | | 14 °F | Mostly cloudy. | 3 mph | ↑ | 87% | 30.06 "Hg | 10 mi |
| 11:22 pm | | 14 °F | Overcast. | 5 mph | ↑ | 87% | 30.01 "Hg | 10 mi |
| 10:53 pm | | 14 °F | Light snow. Ice fog. | 3 mph | ↑ | 87% | 30.08 "Hg | 2 mi |
| 10:11 pm | | 14 °F | Light snow. Ice fog. | 5 mph | ↑ | 87% | 30.04 "Hg | 2 mi |
| 9:53 pm | | 14 °F | Light snow. Ice fog. | 6 mph | ↑ | 87% | 30.10 "Hg | 2 mi |
| 9:36 pm | | 14 °F | Light snow. Ice fog. | 6 mph | ↑ | 87% | 30.04 "Hg | 2 mi |
| 9:08 pm | | 13 °F | Light snow. Ice fog. | 5 mph | ↑ | 92% | 30.04 "Hg | 2 mi |
| 8:53 pm | | 13 °F | Light snow. Ice fog. | 3 mph | ↑ | 92% | 30.11 "Hg | 1 mi |
| 8:16 pm | | 13 °F | Light snow. Ice fog. | 3 mph | ↑ | 88% | 30.05 "Hg | 1 mi |
| 7:53 pm | | 13 °F | Light snow. Ice fog. | 6 mph | ↑ | 88% | 30.14 "Hg | 1 mi |
| 6:53 pm | | 13 °F | Light snow. Ice fog. | 8 mph | ↑ | 88% | 30.15 "Hg | 1 mi |
| 6:05 pm | | 14 °F | Light snow. Overcast. | 12 mph | ↑ | 80% | 30.07 "Hg | 2 mi |
| 5:31 pm |  | 14 °F | Light snow. Overcast. | 12 mph | ↑ | 80% | 30.07 "Hg | 2 mi |
| 4:53 pm |  | 15 °F | Overcast. | 13 mph | ↑ | 74% | 30.15 "Hg | 10 mi |
| 3:53 pm | | 16 °F | More clouds than sun. | 8 mph | ↑ | 65% | 30.17 "Hg | 10 mi |
| 2:53 pm | | 15 °F | Mostly cloudy. | 10 mph | ↑ | 67% | 30.17 "Hg | 10 mi |
| 1:53 pm | | 15 °F | Partly sunny. | 12 mph | ↑ | 64% | 30.21 "Hg | 10 mi |
| 12:53 pm |  | 13 °F | Scattered clouds. | 8 mph | ↑ | 64% | 30.22 "Hg | 10 mi |
| 11:53 am |  | 11 °F | Sunny. | 8 mph | ↑ | 64% | 30.27 "Hg | 10 mi |
| 10:53 am | | 9 °F | Sunny. | 10 mph | ↑ | 66% | 30.32 "Hg | 10 mi |
| 9:53 am | | 6 °F | Sunny. | 6 mph | ↑ | 69% | 30.32 "Hg | 10 mi |
| 8:53 am | | -3 °F | Sunny. | 3 mph | ↑ | 86% | 30.33 "Hg | 10 mi |
| 7:53 am | | -7 °F | Sunny. | 5 mph | ↑ | 83% | 30.34 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||