Currently: 47 °F. Scattered clouds. (Weather station: Castlederg, Ireland). See more current weatherPast Weather in Letterkenny — Graph
Letterkenny Temperature Yesterday
Maximum temperature yesterday: 49 °F (at 10:00 pm)
Minimum temperature yesterday: 40 °F (at 8:00 am)
Average temperature yesterday: 44 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 57 °F (Nov 27, 9:00 am) | 99% (Nov 21, 10:00 am) | 30.26 "Hg (Nov 21, 10:00 am) |
| Low | 27 °F (Nov 30, 9:00 am) | 65% (Nov 27, 4:00 pm) | 28.79 "Hg (Dec 5, 8:00 pm) |
| Average | 43 °F | 91% | 29.52 "Hg |
| * Reported Nov 21 10:00 am — Dec 6 10:00 am, Letterkenny. Weather by CustomWeather, © 2025 | |||
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 | ||
| 10:00 am Sat, Dec 6 | | 47 °F | Scattered clouds. | 20 mph | ↑ | 96% | 29.06 "Hg | 25 mi |
| 9:00 am |  | 47 °F | Overcast. | 9 mph | ↑ | 96% | 29.03 "Hg | 17 mi |
| 8:00 am |  | 46 °F | Overcast. | 11 mph | ↑ | 96% | 29.00 "Hg | 22 mi |
| 7:00 am | | 46 °F | Low clouds. | 4 mph | ↑ | 94% | 28.97 "Hg | 18 mi |
| 6:00 am | | 46 °F | Overcast. | 9 mph | ↑ | 94% | 28.94 "Hg | 14 mi |
| 5:00 am | | 47 °F | Overcast. | 9 mph | ↑ | 93% | 28.94 "Hg | 14 mi |
| 4:00 am | | 47 °F | Overcast. | 13 mph | ↑ | 92% | 28.91 "Hg | 12 mi |
| 3:00 am | | 47 °F | Overcast. | 13 mph | ↑ | 93% | 28.88 "Hg | 14 mi |
| 2:00 am | | 48 °F | Overcast. | 16 mph | ↑ | 94% | 28.88 "Hg | 7 mi |
| 1:00 am |  | 47 °F | Light rain. Overcast. | 9 mph | ↑ | 95% | 28.85 "Hg | 22 mi |
| 12:00 am | | 47 °F | Overcast. | 13 mph | ↑ | 93% | 28.85 "Hg | 31 mi |
| 11:00 pm Fri, Dec 5 | | 49 °F | Low clouds. | 18 mph | ↑ | 95% | 28.82 "Hg | 17 mi |
| 10:00 pm | | 49 °F | Overcast. | 9 mph | ↑ | 96% | 28.82 "Hg | 25 mi |
| 9:00 pm | | 49 °F | Light rain. Overcast. | 4 mph | ↑ | 96% | 28.82 "Hg | 16 mi |
| 8:00 pm | | 48 °F | Low clouds. | 13 mph | ↑ | 97% | 28.79 "Hg | 15 mi |
| 7:00 pm | | 47 °F | Drizzle. Low clouds. | 9 mph | ↑ | 97% | 28.82 "Hg | 14 mi |
| 6:00 pm | | 47 °F | Drizzle. Low clouds. | 18 mph | ↑ | 97% | 28.82 "Hg | 2 mi |
| 5:00 pm | | 47 °F | Drizzle. Low clouds. | 22 mph | ↑ | 97% | 28.82 "Hg | 6 mi |
| 4:00 pm |  | 47 °F | Drizzle. Low clouds. | 36 mph | ↑ | 93% | 28.85 "Hg | 4 mi |
| 3:00 pm | | 46 °F | Light rain. Overcast. | 38 mph | ↑ | 93% | 28.91 "Hg | 4 mi |
| 2:00 pm | | 46 °F | Light rain. Overcast. | 38 mph | ↑ | 93% | 28.94 "Hg | 14 mi |
| 1:00 pm | | 45 °F | Light rain. Overcast. | 36 mph | ↑ | 93% | 29.03 "Hg | 1 mi |
| 12:00 pm | | 44 °F | Light rain. Overcast. | 40 mph | ↑ | 91% | 29.06 "Hg | 3 mi |
| 11:00 am | | 43 °F | Light rain. Overcast. | 34 mph | ↑ | 88% | 29.15 "Hg | 9 mi |
| 10:00 am | | 42 °F | Overcast. | 25 mph | ↑ | 88% | 29.21 "Hg | 18 mi |
| Weather by CustomWeather, © 2025 | ||||||||