Past Weather in Letterkenny — Graph
Letterkenny Temperature Yesterday
Maximum temperature yesterday: 57 °F (at 3:00 pm)
Minimum temperature yesterday: 29 °F (at 6:00 am)
Average temperature yesterday: 42 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 63 °F (Mar 19, 3:00 pm) | 100% (Mar 19, 7:00 am) | 30.41 "Hg (Mar 19, 7:00 am) |
| Low | 29 °F (Mar 21, 6:00 am) | 50% (Mar 20, 1:00 pm) | 29.09 "Hg (Mar 13, 1:00 am) |
| Average | 45 °F | 84% | 29.78 "Hg |
| * Reported Mar 7 12:00 am — Mar 22 12:00 am, Letterkenny. 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
Letterkenny Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:00 am Sun, Mar 22 |  | 43 °F | Fog. | 4 mph | ↑ | 88% | 29.97 "Hg | 5 mi |
| 11:00 pm Sat, Mar 21 | | 42 °F | Fog. | 4 mph | ↑ | 85% | 29.97 "Hg | 6 mi |
| 10:00 pm |  | 42 °F | Clear. | 9 mph | ↑ | 86% | 29.98 "Hg | 6 mi |
| 9:00 pm | | 44 °F | Clear. | 2 mph | ↑ | 86% | 29.99 "Hg | 7 mi |
| 8:00 pm | | 45 °F | Passing clouds. | 7 mph | ↑ | 84% | 30.00 "Hg | 7 mi |
| 7:00 pm | | 49 °F | Passing clouds. | 7 mph | ↑ | 78% | 29.99 "Hg | 10 mi |
| 6:00 pm |  | 53 °F | Partly sunny. | 13 mph | ↑ | 72% | 29.99 "Hg | 15 mi |
| 5:00 pm |  | 54 °F | Scattered clouds. | 16 mph | ↑ | 66% | 30.00 "Hg | 17 mi |
| 4:00 pm |  | 56 °F | Overcast. | 16 mph | ↑ | 67% | 30.02 "Hg | 15 mi |
| 3:00 pm | | 57 °F | Passing clouds. | 11 mph | ↑ | 65% | 30.02 "Hg | 16 mi |
| 2:00 pm | | 56 °F | Passing clouds. | 13 mph | ↑ | 61% | 30.05 "Hg | 16 mi |
| 1:00 pm |  | 56 °F | Sunny. | 13 mph | ↑ | 67% | 30.07 "Hg | 16 mi |
| 12:00 pm | | 53 °F | Scattered clouds. | 11 mph | ↑ | 71% | 30.09 "Hg | 14 mi |
| 11:00 am | | 49 °F | Sunny. | 2 mph | ↑ | 87% | 30.11 "Hg | 7 mi |
| 10:00 am | | 43 °F | Passing clouds. | 7 mph | ↑ | 98% | 30.12 "Hg | 4 mi |
| 9:00 am | | 36 °F | Low clouds. | 7 mph | ↑ | 99% | 30.13 "Hg | 0 mi |
| 8:00 am | | 32 °F | Low clouds. | No wind | ↑ | 98% | 30.13 "Hg | 0 mi |
| 7:00 am |  | 29 °F | Fog. | No wind | ↑ | 98% | 30.14 "Hg | 4 mi |
| 6:00 am | | 29 °F | Fog. | 2 mph | ↑ | 97% | 30.13 "Hg | 2 mi |
| 5:00 am | | 30 °F | Fog. | No wind | ↑ | 98% | 30.13 "Hg | 3 mi |
| 4:00 am | | 30 °F | Fog. | No wind | ↑ | 98% | 30.14 "Hg | 2 mi |
| 3:00 am | | 30 °F | Fog. | 2 mph | ↑ | 97% | 30.13 "Hg | 2 mi |
| 2:00 am | | 31 °F | Clear. | 2 mph | ↑ | 96% | 30.12 "Hg | 1 mi |
| 1:00 am | | 32 °F | Passing clouds. | 2 mph | ↑ | 96% | 30.12 "Hg | 3 mi |
| 12:00 am | | 33 °F | Fog. | 2 mph | ↑ | 97% | 30.12 "Hg | 3 mi |
| Weather by CustomWeather, © 2026 | ||||||||