Today
Mostly clear throughout the day, high +52°, low +45°. Wind up to 13 mph. Chance of precipitation up to 100%.
Weather in Letterkenny
Ireland · Ulster · 54.9500, -7.7333
Today Now 1:13 PM
+52° Partly cloudy
Hourly forecast
Today10/16
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +52° and mostly clear, nighttime low +41° — almost like today.
Week
This week temperatures range from +36° to +54°. Peak warmth: Tue, +54°. Nighttime weekly low: +36° (Sun). Days with precipitation — Tue, Wed, Fri. Cloudless weather for 4 days.
Week vs norm
- Today 10/16 +52° −2° usually +54°
- Tomorrow 10/17 +52° −2° usually +54°
- Sun 10/18 +52° −2° usually +54°
- Mon 10/19 +52° −2° usually +54°
- Tue 10/20 +54° as usual usually +54°
- Wed 10/21 +46° −7° usually +53°
- Thu 10/22 +50° −3° usually +53°
- Fri 10/23 +48° −5° usually +53°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 16
Today is cooler than usual for this date.
- Heat record +63° 1997
- Cold record +34° 1993
- Most precipitation 0.7 in 2017
- Strongest gust 69 mph 1991
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Letterkenny
Today is about 3° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +44° / +37° | +41° | 4.5 |
| Feb | +45° / +37° | +41° | 4.0 |
| Mar | +48° / +39° | +43° | 3.8 |
| Apr | +52° / +41° | +46° | 3.7 |
| May | +57° / +45° | +51° | 3.9 |
| Jun | +60° / +50° | +55° | 4.1 |
| Jul | +63° / +53° | +58° | 4.5 |
| Aug | +63° / +53° | +58° | 4.7 |
| Sep | +60° / +50° | +55° | 3.9 |
| Oct | +54° / +46° | +50° | 4.7 |
| Nov | +49° / +42° | +45° | 4.6 |
| Dec | +45° / +38° | +42° | 4.8 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
8:02 AM | 6:29 PM
Moon
3:07 PM | 8:52 PM
Moon phase
Waxing crescent 30%
Next solar eclipse
Calculating for this city…