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Now · 19:34

Howth Weather & Hourly Forecast

Ireland · Leinster

Clear night
15°C
Clear night
Feels like: 11°C
💧 Humidity 64% 🌡 Pressure 1019 hPa 💨 Wind 17 km/h 👁 Visibility 49.9 km ☁ Clouds 9% ☀️ UV index 0.0 · Low 🌅 Sunrise 07:13 🌇 Sunset 19:18

Hourly Forecast for Howth

Today
Clear night · 20:00 Clear night
15° 💧 0 mm 💨 17 km/h 64%1019 hPa
Clear night · 23:00 Clear night
14° 💧 0 mm 💨 14 km/h 74%1019 hPa
Tomorrow
Clear night · 02:00 Clear night
14° 💧 0 mm 💨 25 km/h 73%1018 hPa
Clear night · 05:00 Clear night
13° 💧 0 mm 💨 23 km/h 77%1018 hPa
Sunny · 08:00 Sunny
13° 💧 0 mm 💨 17 km/h 81%1019 hPa
Sunny · 11:00 Sunny
16° 💧 0 mm 💨 13 km/h 73%1019 hPa
Sunny · 14:00 Sunny
19° 💧 0.1 mm 💨 16 km/h 60%1018 hPa
Sunny · 17:00 Sunny
18° 💧 0.0 mm 💨 21 km/h 63%1017 hPa
Clear night · 20:00 Clear night
16° 💧 0 mm 💨 19 km/h 75%1017 hPa
Mostly cloudy night · 23:00 Mostly cloudy night
15° 💧 0 mm 💨 21 km/h 82%1016 hPa
Sunday
Overcast night · 02:00 Overcast night
15° 💧 0.0 mm 💨 21 km/h 85%1014 hPa
Overcast night · 05:00 Overcast night
15° 💧 3.7 mm 💨 31 km/h 83%1011 hPa
Moderate rain · 08:00 Moderate rain
14° 💧 5.7 mm 💨 41 km/h 90%1005 hPa
Light rain · 11:00 Light rain
17° 💧 0.3 mm 💨 28 km/h 87%1003 hPa
Mostly sunny · 14:00 Mostly sunny
17° 💧 0.2 mm 💨 29 km/h 66%1006 hPa
Mostly cloudy · 17:00 Mostly cloudy
16° 💧 0 mm 💨 24 km/h 59%1008 hPa

15-Day Weather Outlook for Howth

TomorrowTomorrow Mostly sunny Mostly sunny 19°/13° 💧 0 mm 💨 25 km/h
Sunday 27 SeptemberSun 27 Sep. Mostly cloudy Mostly cloudy 18°/12° 💧 0 mm 💨 41 km/h
Monday 28 SeptemberMon 28 Sep. Partly cloudy Partly cloudy 15°/9° 💧 0 mm 💨 12 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Howth

Vertical axis: °C · Horizontal axis: hours · Color based on temperature
Clear night · 20:00
15° Today 20:00
Clear night · 21:00
14° 21:00
Clear night · 22:00
14° 22:00
Clear night · 23:00
14° 23:00
Clear night · 00:00
14° Tomorrow 00:00
Clear night · 01:00
14° 01:00
Clear night · 02:00
14° 02:00
Clear night · 03:00
14° 03:00
Clear night · 04:00
13° Tomorrow 04:00
Clear night · 05:00
13° 05:00
Clear night · 06:00
13° 06:00
Clear night · 07:00
13° 07:00
Sunny · 08:00
13° Tomorrow 08:00
Sunny · 09:00
14° 09:00
Sunny · 10:00
15° 10:00
Sunny · 11:00
16° 11:00
Mostly sunny · 12:00
17° Tomorrow 12:00
Sunny · 13:00
18° 13:00
Sunny · 14:00
19° 14:00
Mostly sunny · 15:00
19° 15:00
Mostly sunny · 16:00
19° Tomorrow 16:00
Sunny · 17:00
18° 17:00
Sunny · 18:00
18° 18:00
Sunny · 19:00
17° 19:00
Clear night · 20:00
16° Tomorrow 20:00
Clear night · 21:00
15° 21:00
Mostly cloudy night · 22:00
15° 22:00
Mostly cloudy night · 23:00
15° 23:00
Mostly cloudy night · 00:00
15° Sunday 00:00
Overcast night · 01:00
15° 01:00
Overcast night · 02:00
15° 02:00
Overcast night · 03:00
15° 03:00
Overcast night · 04:00
15° Sunday 04:00
Overcast night · 05:00
15° 05:00
Light rain · 06:00
15° 06:00
Moderate rain · 07:00
14° 07:00
Moderate rain · 08:00
14° Sunday 08:00
Light rain · 09:00
15° 09:00
Light rain · 10:00
16° 10:00
Light rain · 11:00
17° 11:00
Sunny · 12:00
18° Sunday 12:00
Mostly sunny · 13:00
17° 13:00
Mostly sunny · 14:00
17° 14:00
Mostly sunny · 15:00
17° 15:00
Mostly sunny · 16:00
17° Sunday 16:00
Mostly cloudy · 17:00
16° 17:00
Mostly sunny · 18:00
16° 18:00
Mostly sunny · 19:00
15° 19:00
Clear night · 20:00
14° Sunday 20:00
Clear night · 21:00
13° 21:00
Mostly clear night · 22:00
12° 22:00
Mostly clear night · 23:00
12° 23:00
Partly cloudy night · 00:00
12° Monday 00:00
Mostly cloudy night · 01:00
11° 01:00
Mostly clear night · 02:00
11° 02:00
Clear night · 03:00
11° 03:00
Clear night · 04:00
11° Monday 04:00
Mostly clear night · 05:00
10° 05:00
Fog at night · 06:00
10° 06:00
Fog at night · 07:00
10° 07:00
Fog · 08:00
9° Monday 08:00
Fog · 09:00
10° 09:00
Fog · 10:00
11° 10:00
Fog · 11:00
13° 11:00
Sunny · 12:00
14° Monday 12:00
Mostly sunny · 13:00
15° 13:00

AIR QUALITY FORECAST

Air Quality Forecast for Howth

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 20:00
PM2.5 PM2.5 Good 0,6µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 2,1µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Fair 84,8µg/m³

Air quality is acceptable for most people.

NO₂ NO₂ Good 1,2µg/m³

Air quality is favorable for outdoor activities.

Air quality is acceptable for most people.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Howth

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 2,9Low 🙂Fair
Tomorrow UV 2,8Low 😐Moderate
Monday UV 2,9Low 🙂Fair
Hourly UV index tomorrow
07:00UV 0,0 08:00UV 0,1 09:00UV 0,6 10:00UV 1,3 11:00UV 2,0 12:00UV 2,6 13:00UV 2,8 14:00UV 2,9 15:00UV 2,7 16:00UV 2,2 17:00UV 1,6 18:00UV 0,9 19:00UV 0,3
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Howth

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 20:00 21:00 22:00 23:00 Tomorrow 00:00 01:00 02:00 03:00 Tomorrow 04:00 05:00 06:00 07:00 Tomorrow 08:00 09:00 10:00 11:00 Tomorrow 12:00 13:00 14:00 15:00 Tomorrow 16:00 17:00 18:00 19:00 Tomorrow 20:00 21:00 22:00 23:00 Sunday 00:00 01:00 02:00 03:00 Sunday 04:00 05:00 06:00 07:00 Sunday 08:00 09:00 10:00 11:00 Sunday 12:00 13:00 14:00 15:00 Sunday 16:00 17:00 18:00 19:00 Sunday 20:00 21:00 22:00 23:00 Monday 00:00 01:00 02:00 03:00 Monday 04:00 05:00 06:00 07:00 Monday 08:00 09:00 10:00 11:00 Monday 12:00 13:00
Sustained wind Max gusts

The technical data used to calculate this forecast for Howth were updated today at 19:34. The displayed forecasts cover the period through 27/09/2026 at 17:00. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team.

NIGHT SKY · HOWTH, LEINSTER

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

92/100Best-hour score
BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:14 PM–5:19 AM
☁ Cloud cover 5% Real hourly forecast for the best viewing hour.
☾ Moonlight 100% Full Moon · Moon about 15° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 51° high at the best hour.
✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min38%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.