Past Weather in Longmont — Graph
Longmont Temperature Yesterday
Maximum temperature yesterday: 43 °F (at 3:55 pm)
Minimum temperature yesterday: 12 °F (at 4:55 am)
Average temperature yesterday: 26 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 62 °F (Jan 15, 1:35 pm) | 98% (Jan 9, 4:55 am) | 30.48 "Hg (Jan 9, 4:55 am) |
| Low | 9 °F (Jan 10, 6:35 am) | 9% (Jan 15, 3:15 pm) | 29.63 "Hg (Jan 8, 12:35 am) |
| Average | 34 °F | 53% | 30.13 "Hg |
| * Reported Jan 6 6:35 am — Jan 21 6:55 am, Longmont. 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
Longmont Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 6:55 am Wed, Jan 21 |  | 16 °F | Clear. | 6 mph | ↑ | 82% | 30.11 "Hg | 10 mi |
| 6:35 am | | 19 °F | Clear. | No wind | ↑ | 80% | 30.10 "Hg | 10 mi |
| 6:15 am | | 20 °F | Clear. | 6 mph | ↑ | 80% | 30.09 "Hg | 10 mi |
| 5:55 am | | 17 °F | Clear. | 3 mph | ↑ | 85% | 30.07 "Hg | 10 mi |
| 5:35 am | | 13 °F | Clear. | 5 mph | ↑ | 82% | 30.06 "Hg | 10 mi |
| 5:15 am | | 14 °F | Clear. | No wind | ↑ | 85% | 30.05 "Hg | 10 mi |
| 4:55 am | | 14 °F | Clear. | No wind | ↑ | 85% | 30.05 "Hg | 10 mi |
| 4:35 am | | 14 °F | Clear. | 3 mph | ↑ | 88% | 30.04 "Hg | 10 mi |
| 3:55 am | | 12 °F | Clear. | No wind | ↑ | 85% | 30.05 "Hg | 10 mi |
| 3:35 am | | 12 °F | Clear. | No wind | ↑ | 80% | 30.06 "Hg | 10 mi |
| 3:15 am | | 13 °F | Clear. | 5 mph | ↑ | 84% | 30.07 "Hg | 10 mi |
| 2:55 am | | 11 °F | Clear. | No wind | ↑ | 82% | 30.08 "Hg | 10 mi |
| 2:35 am | | 13 °F | Clear. | No wind | ↑ | 85% | 30.08 "Hg | 10 mi |
| 4:35 pm Tue, Jan 20 |  | 40 °F | Sunny. | No wind | ↑ | 45% | 29.96 "Hg | 10 mi |
| 3:55 pm | | 43 °F | Sunny. | 6 mph | ↑ | 41% | 29.93 "Hg | 10 mi |
| 3:35 pm | | 42 °F | Sunny. | 5 mph | ↑ | 40% | 29.92 "Hg | 10 mi |
| 2:55 pm | | 40 °F | Sunny. | 7 mph | ↑ | 48% | 29.92 "Hg | 10 mi |
| 2:35 pm | | 42 °F | Sunny. | 8 mph | ↑ | 43% | 29.92 "Hg | 10 mi |
| 2:15 pm | | 41 °F | Sunny. | 6 mph | ↑ | 44% | 29.91 "Hg | 10 mi |
| 1:55 pm | | 40 °F | Sunny. | 8 mph | ↑ | 45% | 29.92 "Hg | 10 mi |
| 1:35 pm | | 40 °F | Sunny. | 7 mph | ↑ | 46% | 29.93 "Hg | 10 mi |
| 1:15 pm | | 38 °F | Sunny. | 6 mph | ↑ | 57% | 29.93 "Hg | 10 mi |
| 12:55 pm | | 37 °F | Sunny. | 3 mph | ↑ | 54% | 29.93 "Hg | 10 mi |
| 12:35 pm | | 36 °F | Sunny. | 3 mph | ↑ | 60% | 29.94 "Hg | 10 mi |
| 11:55 am | | 33 °F | Sunny. | 3 mph | ↑ | 63% | 29.98 "Hg | 10 mi |
| 11:35 am | | 34 °F | Sunny. | 6 mph | ↑ | 65% | 29.98 "Hg | 10 mi |
| 11:15 am | | 35 °F | Sunny. | 3 mph | ↑ | 57% | 29.99 "Hg | 10 mi |
| 10:55 am | | 35 °F | Sunny. | 5 mph | ↑ | 59% | 30.00 "Hg | 10 mi |
| 10:35 am | | 34 °F | Sunny. | 3 mph | ↑ | 62% | 30.02 "Hg | 10 mi |
| 9:55 am | | 30 °F | Sunny. | 3 mph | ↑ | 73% | 30.02 "Hg | 10 mi |
| 9:35 am | | 28 °F | Sunny. | No wind | ↑ | 77% | 30.02 "Hg | 10 mi |
| 9:15 am | | 27 °F | Sunny. | No wind | ↑ | 83% | 30.02 "Hg | 10 mi |
| 8:55 am | | 24 °F | Sunny. | 3 mph | ↑ | 86% | 30.04 "Hg | 10 mi |
| 8:35 am | | 22 °F | Sunny. | No wind | ↑ | 87% | 30.03 "Hg | 10 mi |
| 8:15 am | | 19 °F | Sunny. | 6 mph | ↑ | 86% | 30.04 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||