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Weather in Castleknock

Leinster · 8 301 inhabitants · Thursday, September 17 · updated 21h12

Raining now Air : Moyen
Mainly clear
14°
Mainly clear
Feels like 14°C
Wind
18 km/h
Gusts
48 km/h
Humidity
66 %
Pressure
1010 hPa
Clouds
41 %
Storm
No
Rise 07h01 Set 19h38 Day 12h37 UV 2 · Low

Detailed forecast

Trend
Evening
Mainly clear
Mainly clear
14°12°
Feels like 14°
Wind ↑ O 18 km/h
Gusts 48 km/h
Humidity 66 %
22h
Mainly clear
12°
OSO 16

Weather charts for Castleknock · 7 days

Temperatures over 7 days

▲ +2.2° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
7°12°16°21°25°Auj.VenSamDimLunMarMer18°11°Jeu 17 sept. : max 16° · min 12° · normale 13,2°Ven 18 sept. : max 17° · min 11° · normale 13,1°Sam 19 sept. : max 17° · min 13° · normale 13°Dim 20 sept. : max 15° · min 9° · normale 12,9°Lun 21 sept. : max 23° · min 14° · normale 12,9°Mar 22 sept. : max 20° · min 15° · normale 12,8°Mer 23 sept. : max 18° · min 11° · normale 12,7°

Hourly detail

JeuVenSamDimLunMarMerJeu8°16°24°23°9°03
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Castleknock

2/6
Moyen
European Air Quality Index (EAQI) · CAMS source
PM2.55µg/m³
PM107µg/m³
O₃64µg/m³
NO₂2µg/m³
SO₂0µg/m³

Pollen · dominant : Grass

AlderNul
BirchNul
GrassFaible
MugwortNul
OliveNul
RagweedNul

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Castleknock: live radar and next-hour forecast

Will it rain in Castleknock? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Castleknock

Waxing crescent
34 % illuminated · 5,8 days
Rise 00h58 Set 07h36
Fri 18/9 44%
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon
Sun 27/9 99%
Mon 28/9 95%
Tue 29/9 90%

Rise and set in local time (Europe/Dublin) · phases and illumination computed by SkiesAtlas (synodic model).

Sea, waves and tides in Castleknock

Reference port: River Tolka · à 8.8 km

Sea state
Smooth
waves 0,6 m
Period
3 s
Swell
0,1 m
TodayThu 17/09
High tide 04:02 1,6 m
Low tide 10:20 0,3 m
High tide 16:19 1,5 m
Low tide 22:40 0,3 m
TomorrowFri 18/09
High tide 04:49 1,4 m
Low tide 11:11 0,3 m
High tide 17:07 1,3 m
Low tide 23:44 0,3 m
SatSat 19/09
High tide 05:52 1,1 m
Low tide 12:12 0,3 m
High tide 18:33 1,2 m
SunSun 20/09
Low tide 00:52 0,3 m
High tide 07:23 1,1 m
Low tide 13:17 0,3 m
High tide 20:07 1,2 m

Heights are indicative, relative to chart datum · coefficient from 20 (neap) to 120 (spring) · full details on TidesAtlas

Weather history for Castleknock

What was the weather in Castleknock on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Castleknock

Find the full weather for Castleknock, Leinster: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “mainly clear” with 14 °C (feels like 14 °C) and wind at 18 km/h.

Today, temperatures range from 12 °C to 16 °C, with no significant precipitation. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms, and tides for River Tolka.

Nearby cities

Dublin 9 km 15° South Dublin 10 km 15° Tallaght 10 km 14° Drogheda 38 km 14° Swords 13 km 15° Navan 37 km 14° Bray 26 km 14° Dún Laoghaire 18 km 16° Droichead Nua 36 km 14° Sandyford 14 km 13° Greystones 33 km 15° Balbriggan 29 km 15°

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