Today, 12 September, Saturday, in Galway (Ireland): overcast, raining, moderately warm. During the day the air will warm up to +18°, at night around +14°. Wind up to 31 km/h. High chance of rain — be sure to take an umbrella or a raincoat. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The water is cold, +17° — too chilly for swimming. The sun will rise at 07:04 and set at 19:59 — daylight lasts 13 hours.
Hourly weather in Galway
100%07
83%08
59%09
41%10
35%11
35%12
35%13
34%14
32%15
31%16
29%17
27%18
25%19
21%20
17%21
14%22
14%23
15%00
16%01
15%02
13%03
10%04
7%05
3%06
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Galway for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
🌧️
💧 100%
+14°+18°
Morning
☁️
+18°
Day
🌧️
+18°
Evening
🌇
+18°
Night
🌙
+14°
Heavy rain · precipitation 100% · wind up to 31 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tomorrow 13.9
☁️
💧 16%
+15°+19°
Morning
☁️
+15°
Day
☁️
+19°
Evening
🌇
+18°
Night
🌙
+15°
Overcast · precipitation 16% · wind up to 18 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Mon 14.9
🌦️
💧 87%
+14°+20°
Morning
🌦️
+16°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+14°
Light rain · precipitation 87% · wind up to 26 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tue 15.9
🌦️
💧 59%
+13°+17°
Morning
🌦️
+14°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+13°
Drizzle · precipitation 59% · wind up to 26 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Wed 16.9
🌦️
💧 72%
+11°+15°
Morning
🌦️
+12°
Day
🌦️
+15°
Evening
🌇
+14°
Night
🌙
+11°
Drizzle · precipitation 72% · wind up to 26 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 17.9
🌦️
💧 74%
+13°+15°
Morning
🌦️
+14°
Day
🌦️
+15°
Evening
🌇
+15°
Night
🌙
+13°
Drizzle · precipitation 74% · wind up to 29 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Fri 18.9
🌦️
💧 53%
+14°+16°
Morning
🌦️
+15°
Day
🌦️
+16°
Evening
🌇
+16°
Night
🌙
+14°
Drizzle · precipitation 53% · wind up to 28 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sat 19.9
🌦️
💧 47%
+13°+17°
Morning
🌦️
+14°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+13°
Drizzle · precipitation 47% · wind up to 34 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sun 20.9
🌦️
💧 35%
+14°+16°
Morning
🌦️
+15°
Day
🌦️
+16°
Evening
🌇
+16°
Night
🌙
+14°
Drizzle · precipitation 35% · wind up to 39 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Mon 21.9
🌦️
💧 32%
+11°+15°
Morning
🌦️
+12°
Day
🌦️
+15°
Evening
🌇
+14°
Night
🌙
+11°
Drizzle · precipitation 32% · wind up to 27 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tue 22.9
🌦️
💧 31%
+9°+13°
Morning
🌦️
+10°
Day
🌦️
+13°
Evening
🌇
+12°
Night
🌙
+9°
Drizzle · precipitation 31% · wind up to 27 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Wed 23.9
☁️
💧 32%
+10°+14°
Morning
☁️
+11°
Day
☁️
+14°
Evening
🌇
+13°
Night
🌙
+10°
Overcast · precipitation 32% · wind up to 17 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 24.9
☁️
💧 31%
+13°+16°
Morning
☁️
+14°
Day
☁️
+16°
Evening
🌇
+15°
Night
🌙
+13°
Overcast · precipitation 31% · wind up to 29 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Fri 25.9
☁️
💧 25%
+11°+17°
Morning
☁️
+13°
Day
☁️
+17°
Evening
🌇
+16°
Night
🌙
+11°
Overcast · precipitation 25% · wind up to 20 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 17° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
100%
likely · high
✨ Stars
18 / 100
evening visibility · Bad
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
19
Excellent air
European AQI
PM2.5: 3PM10: 6O₃: 58NO₂: 0
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
07:04
Sunset
19:59
Golden hour
19:13
Daylight
13 h (-4 min vs yesterday)
Sea temperature
+17°
🌊 moderate, waves 1.4 m.
Galway climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+8°
+4°
Jan
+9°
+4°
Feb
+10°
+4°
Mar
+12°
+6°
Apr
+15°
+8°
May
+17°
+11°
Jun
+18°
+12°
Jul
+18°
+12°
Aug
+16°
+11°
Sep
+13°
+8°
Oct
+10°
+6°
Nov
+8°
+4°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+8°
+4°
+7°
102 mm
Cold: +8° by day, down to +4° at night — dress warmly. It's a rainy month (102 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+7°) — swimming is for the brave. This is the coldest month of the year.
February
+9°
+4°
+8°
88 mm
Winter weather: about +9° daytime, you need a warm coat and hat. Frequent rain (88 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+8°) — swimming is for the brave.
March
+10°
+4°
+8°
80 mm
A cold month: +10° by day, long walks get uncomfortable. One of the wettest months (80 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+8°) — swimming is for the brave.
April
+12°
+6°
+11°
76 mm
Cool: around +12° by day, you'll need a warm layer. It's a rainy month (76 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
May
+15°
+8°
+14°
81 mm
A fresh month — +15° daytime, take a jacket for walks. Frequent rain (81 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+14°) — swimming is for the brave.
June
+17°
+11°
+16°
80 mm
Cool weather: +17° by day, noticeably colder in the evening. One of the wettest months (80 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave. The longest daylight hours of the year — more time for everything.
July
+18°
+12°
+18°
91 mm
One of the best times to visit: +18° by day, fresh nights. It's a rainy month (91 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing. This is the hottest month of the year in Galway.
August
+18°
+12°
+18°
98 mm
A fresh month — +18° daytime, take a jacket for walks. Frequent rain (98 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
September
+16°
+11°
+16°
80 mm
Cool weather: +16° by day, noticeably colder in the evening. One of the wettest months (80 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave. Weather-wise, one of the three best months to visit.
October
+13°
+8°
+13°
99 mm
Cool: around +13° by day, you'll need a warm layer. It's a rainy month (99 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+13°) — swimming is for the brave.
November
+10°
+6°
+11°
105 mm
A fresh month — +10° daytime, take a jacket for walks. Frequent rain (105 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
December
+8°
+4°
+8°
108 mm
A cold month: +8° by day, long walks get uncomfortable. One of the wettest months (108 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+8°) — swimming is for the brave. Statistically the wettest month of the year.
When to visit Galway
✅ Recommended time to visit
🌟 Best time: June, July, September
Daytime air+16…+18°
Sea temperature+16…+18°
Precipitationoften
Why: comfortable +16…+18° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, April, May, August, October
Daytime air+8…+18°
Sea temperature+7…+18°
Precipitationoften
Why: noticeable rain risk (76–102 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: March, November, December
Daytime air+8…+10°
Sea temperature+8…+11°
Precipitationoften
Why: cold and dark (+8…+10° by day, 8 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Galway is June, July, September, and the most comfortable months are June, July, September. The toughest months to visit are March, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+18°
Normal for September
+16°
Deviation
2° warmer than normal
A year ago on this day
+14°
Record for this date
+24° (1959)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Galway
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.