Letterkenny Weather Conditions
Current Temperature Level
Letterkenny Weather Conditions
Current Temperature Level
Feels Like -16°C
Chances of Rain22%
-6°22%7 AM-5°23%8 AM-5°22%9 AM
-5°16%10 AM
-5°16%11 AM-5°16%12 PM-5°17%1 PM-5°17%2 PM-5°22%3 PM-5°22%4 PM-5°22%5 PM-5°23%6 PM-5°25%7 PM-5°29%8 PM
-5°40%9 PM-5°43%10 PM-5°42%11 PM-5°39%12 AM-4°31%1 AM-5°17%2 AM-4°22%3 AM-4°29%4 AM-4°29%5 AM-4°29%Blowing snow may reduce visibility significantly.
Last Updated: 2026-08-17 06:00 (Local Time)
243°WSW
Direction
56.2km/h
Wind Speed
Gust Speed
17.1m/s
Precipitation
Precipitation
0.02mm
Pressure
984mb
UV Index
0Low
Today
-5
°C
66%Tuesday
-3
°C74%Wednesday
-1
°C84%Thursday
-1
°C95%Friday
-1
°C87%Saturday
-4
°C74%Sunday
-6
°C66%Monday
-4
°C75%Tuesday
14
°C87%Wednesday
14
°C87%Blowing Snow
Wind gusts of up to 57.6 km/h will cause blowing snow, reducing visibility and humidity will be around 66%.-5°C / -6°C
Humi.66 %
Prec.0.82 mm
Sunrise
06:09 AM14hrs 51min
Sunset
09:00 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Blizzard
-6 °C
73 %
0
56.5 kmph / WSW
Blizzard
Feels -16 °C
Cover 100 %
Visibility 0 km
1 AM
Blizzard
-5 °C
65 %
0
57.2 kmph / WSW
BlizzardFeels -16 °C
Cover 100 %
Visibility 0 km
2 AM
Overcast
-5 °C
62 %
0
57.6 kmph / WSW
OvercastFeels -16 °C
Cover 100 %
Visibility 10 km
3 AM
Snow Showers
-6 °C
62 %
0
56.5 kmph / WSW
Snow ShowersFeels -16 °C
Cover 100 %
Visibility 10 km
4 AM
Blowing Snow
-6 °C
62 %
0
56.9 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
5 AM
Blowing Snow
-6 °C
63 %
0
56.5 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
6 AM
Blowing Snow
-6 °C
63 %
0
56.2 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
7 AM
Blowing Snow
-5 °C
62 %
0.1
56.9 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
8 AM
Blowing Snow
-5 °C
62 %
0.3
56.9 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
9 AM
Snow Showers
-5 °C
62 %
0.4
56.5 kmph / WSW
Snow ShowersFeels -16 °C
Cover 100 %
Visibility 10 km
10 AM
Overcast
-5 °C
62 %
0.3
56.2 kmph / WSW
OvercastFeels -16 °C
Cover 100 %
Visibility 10 km
11 AM
Snow Showers
-5 °C
61 %
0.4
55.8 kmph / WSW
Snow ShowersFeels -16 °C
Cover 100 %
Visibility 10 km
12 PM
Snow Showers
-5 °C
62 %
0.4
55.8 kmph / WSW
Snow ShowersFeels -16 °C
Cover 100 %
Visibility 10 km
1 PM
Snow Showers
-5 °C
62 %
0.6
55.8 kmph / WSW
Snow ShowersFeels -16 °C
Cover 100 %
Visibility 10 km
2 PM
Blowing Snow
-5 °C
62 %
0.7
56.2 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
3 PM
Blowing Snow
-5 °C
62 %
0.5
56.5 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
4 PM
Blowing Snow
-5 °C
64 %
0.5
57.2 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
5 PM
Blowing Snow
-5 °C
66 %
0.4
57.6 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
6 PM
Blowing Snow
-5 °C
70 %
0.2
57.6 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
7 PM
Blowing Snow
-5 °C
77 %
0.1
57.2 kmph / WSW
Blowing SnowFeels -16 °C
Cover 100 %
Visibility 2 km
8 PM
Blizzard
-5 °C
79 %
0
56.9 kmph / WSW
BlizzardFeels -16 °C
Cover 100 %
Visibility 0 km
9 PM
Blizzard
-5 °C
79 %
0
57.2 kmph / SW
BlizzardFeels -16 °C
Cover 100 %
Visibility 0 km
10 PM
Blizzard
-5 °C
79 %
0
56.5 kmph / SW
BlizzardFeels -16 °C
Cover 100 %
Visibility 0 km
11 PM
Blizzard
-5 °C
75 %
0
57.6 kmph / SW
BlizzardFeels -15 °C
Cover 100 %
Visibility 0 km
19°7°18°8°
21°11°20°13°14°10°18°7°18°7°17°8°
17°8°
19°7°
23°9°24°12°
23°16°19°12°17°9°14°-6°-5°-6°-1°-5°-1°-2°0°-1°0°-3°-3°-5°-5°-6°-3°-8°17°10°17°10°17°10°16°10°16°10°17°10°17°9°AugustWeather Overview
No. of days:
Sunny
1
Cloudy
2
Rainy
15
Snowy
6
The monthly weather averages in Letterkenny consist of 1 sunny days, 2 cloudy days, 15 rainy days, and 6 snowy days.
Ireland's Hottest Cities - August 2026
1.
Ringaskiddy, County Cork
16 °C
Clear
88%
0
4.3 kmph / WNW
2.
Youghal, County Cork
16 °C
Clear
88%
0
4.3 kmph / WNW
3.
Cobh, Cork
16 °C
Clear
88%
0
4.3 kmph / WNW
4.
Galway, Galway
15 °C
Cloudy
89%
0
15.1 kmph / WSW
5.
Dublin, Dublin
14 °C
Cloudy
94%
0
9.7 kmph / W
6.
Tallaght, South Dublin
14 °C
Mist
96%
0
8.3 kmph / SW
7.
Lucan, County Dublin
14 °C
Mist
96%
0
8.3 kmph / SW
8.
Roseview, County Cork
14 °C
Mist
96%
0
3.6 kmph / WNW
9.
Monaghan, Monaghan
13 °C
Mist
96%
0
6.8 kmph / SW
10.
Achill Sound, County Mayo
13 °C
Patchy rain nearby
93%
0
7.6 kmph / WSW
Last Updated: 17 Aug 2026, 05:10 AM
City Weather RankingsFAQs About Letterkenny Weather Conditions
1. What is the current temperature in Letterkenny today - 17 August 2026?
1. What is the current temperature in Letterkenny today - 17 August 2026?
The current temperature in Letterkenny is -6°C, with a feels-like temperature of -16°C. Today's forecast shows a high of -5°C and a low of -6°C, giving a 1 degree swing through the day as of 06:00 AM 17 August 2026.
2. What are the current weather parameters in Letterkenny today?
2. What are the current weather parameters in Letterkenny today?
Here is a complete overview of Letterkenny's current weather conditions as of 06:00 AM 17 August 2026: Condition : Blowing Snow Temperature : -6°C Freezing (Feels like -16°C) Humidity : 63% Wind Speed : 56.2 km/h from WSW (243 degrees), Gust 17.1 m/s UV Index : 0 (Low Air Pressure : 984 mb Cloud Cover : 100% Visibility : 2 km Precipitation : 0.02 mm (59% chance of rain)
3. What is the 10-day weather forecast for Letterkenny from 06:00 AM 17 August 2026?
3. What is the 10-day weather forecast for Letterkenny from 06:00 AM 17 August 2026?
From 06:00 AM 17 August 2026, Letterkenny's 10-day forecast shows this trend: Today (Aug. 17) : Temp. -5°C, Hum. 66% and Blowing Snow condition. Tuesday (Aug. 18) : Temp. -3°C, Hum. 74% and Blowing Snow condition. Wednesday (Aug. 19) : Temp. -1°C, Hum. 84% and Blowing Snow condition. Thursday (Aug. 20) : Temp. -1°C, Hum. 95% and Blizzard condition. Friday (Aug. 21) : Temp. -1°C, Hum. 87% and Blowing Snow condition. Saturday (Aug. 22) : Temp. -4°C, Hum. 74% and Blowing Snow condition. Sunday (Aug. 23) : Temp. -6°C, Hum. 66% and Snow Showers condition. Monday (Aug. 24) : Temp. -4°C, Hum. 75% and Blizzard condition. Tuesday (Aug. 25) : Temp. 14°C, Hum. 87% and Rain Showers condition. Wednesday (Aug. 26) : Temp. 14°C, Hum. 87% and Rain Showers condition.
4. Will it rain in Letterkenny today?
4. Will it rain in Letterkenny today?
As of 06:00 AM 17 August 2026, yes — Letterkenny is currently experiencing rainfall with 0.02 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Letterkenny in August 2026?
5. What is the monthly weather forecast for Letterkenny in August 2026?
August 2026 in Letterkenny is forecast to have 1 sunny days, 15 rainy days, 2 cloudy days, and 6 snowy days. Temperatures for the month range from lows around -8°C to highs of 24°C.
6. How does the weather in Letterkenny affect air quality?
6. How does the weather in Letterkenny affect air quality?
Weather directly impacts air quality in Letterkenny. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
