Past Weather in Sumy — Graph
Sumy Temperature Yesterday
Maximum temperature yesterday: 19 °F (at 2:00 pm)
Minimum temperature yesterday: 9 °F (at 8:00 am)
Average temperature yesterday: 15 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 42 °F (Jan 9, 5:00 am) | 99% (Jan 7, 11:00 pm) | 30.87 "Hg (Jan 7, 11:00 pm) |
| Low | 2 °F (Jan 18, 8:00 am) | 65% (Jan 17, 2:00 pm) | 29.09 "Hg (Jan 9, 5:00 am) |
| Average | 17 °F | 82% | 30.18 "Hg |
| * Reported Jan 6 5:00 pm — Jan 21 5:00 pm, Sumy. 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
Sumy Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:00 pm Wed, Jan 21 |  | 15 °F | Fog. | 2 mph | ↑ | 91% | 30.18 "Hg | 2 mi |
| 11:00 am |  | 17 °F | Fog. | 2 mph | ↑ | 92% | 30.19 "Hg | 2 mi |
| 8:00 am |  | 16 °F | Overcast. | 4 mph | ↑ | 89% | 30.21 "Hg | 6 mi |
| 5:00 am |  | 16 °F | Overcast. | 4 mph | ↑ | 89% | 30.25 "Hg | 6 mi |
| 2:00 am | | 15 °F | Overcast. | 2 mph | ↑ | 88% | 30.27 "Hg | 6 mi |
| 11:00 pm Tue, Jan 20 | | 14 °F | Passing clouds. | 2 mph | ↑ | 85% | 30.32 "Hg | 6 mi |
| 8:00 pm | | 15 °F | Passing clouds. | 2 mph | ↑ | 81% | 30.36 "Hg | 6 mi |
| Weather by CustomWeather, © 2026 | ||||||||