Weather in Isle of Man - today, tomorrow and 14-day forecast

Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

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Next days in Isle of Man

today🌤️ 15°💧 0.4 mm
Sun🌧️ 16°💧 1.6 mm
Mon🌧️ 13°💧 0.5 mm
Tue🌧️ 12°💧 1.6 mm
Wed🌧️ 13°💧 0.9 mm
Thu🌧️ 16°💧 1.5 mm
Fri🌧️ 13°💧 1 mm
Sat☁️ 14°💧 0.7 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Tuesday 8 Sept in Isle of Man, the forecast high is 12°C. Typical daytime temperatures at this time of year range from 15°C to 17°C, so it will be exceptionally cool. It is cooler than 97% of similar days.

15°Ccooler than usual
usually 15°C–17°C
cooler than 76% of similar days
night: cooler than usual rain: typical rainfall wind: typical
16°Cnear normal
usually 15°C–17°C
night: warmer than usual rain: typical rainfall wind: typical
13°Cexceptionally cool
usually 15°C–17°C
cooler than 95% of similar days
night: exceptionally cool rain: typical rainfall wind: typical
12°Cexceptionally cool
usually 15°C–17°C
cooler than 97% of similar days
night: exceptionally cool rain: typical rainfall wind: typical
13°Cexceptionally cool
usually 15°C–17°C
cooler than 95% of similar days
night: exceptionally cool rain: typical rainfall wind: typical
16°Cnear normal
usually 15°C–17°C
night: near normal rain: typical rainfall wind: lighter than usual
13°Cexceptionally cool
usually 15°C–17°C
cooler than 93% of similar days
night: exceptionally cool rain: typical rainfall wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°18°25° 1981: 17°C1982: 15°C1983: 15°C1984: 15°C1985: 15°C1986: 13°C1987: 15°C1988: 16°C1989: 15°C1990: 15°C1991: 17°C1992: 14°C1993: 15°C1994: 14°C1995: 16°C1996: 16°C1997: 16°C1998: 16°C1999: 17°C2000: 17°C2001: 15°C2002: 15°C2003: 16°C2004: 18°C2005: 16°C2006: 17°C2007: 17°C2008: 16°C2009: 16°C2010: 17°C2011: 16°C2012: 16°C2013: 14°C2014: 16°C2015: 16°C2016: 17°C2017: 16°C2018: 15°C2019: 15°C2020: 16°C2021: 18°C2022: 18°C2023: 20°C2024: 17°C2025: 17°C 2026 forecast: 14°C current forecast 14°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 16°C by day. The coolest year was 1986 (13°C) and the warmest was 2023 (20°C). The current forecast averages 14°C - lower than in 93% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Isle of Man

Isle of Man - 14-day weather forecast infographic

Day-by-day forecast for Isle of Man

Saturday5 September 2026
🌤️15°scattered clouds
night 12° · evening 13° · rain 0.42 mm · humidity 68% · wind 8 m/s · clouds 41%
Sunday6 September 2026
🌧️16°moderate rain
night 14° · evening 15° · rain 1.63 mm · humidity 72% · wind 7 m/s · clouds 100%
Monday7 September 2026
🌧️13°light rain
night 11° · evening 12° · rain 0.5 mm · humidity 76% · wind 8 m/s · clouds 100%
Tuesday8 September 2026
🌧️12°light rain
night 10° · evening 11° · rain 1.59 mm · humidity 69% · wind 9 m/s · clouds 62%
Wednesday9 September 2026
🌧️13°light rain
night 10° · evening 11° · rain 0.93 mm · humidity 59% · wind 7 m/s · clouds 22%
Thursday10 September 2026
🌧️16°light rain
night 13° · evening 14° · rain 1.5 mm · humidity 70% · wind 6 m/s · clouds 100%
Friday11 September 2026
🌧️13°light rain
night 11° · evening 12° · rain 0.96 mm · humidity 68% · wind 7 m/s · clouds 33%
Saturday12 September 2026
☁️14°broken clouds
night 9° · evening 11° · rain 0.66 mm · humidity 66% · wind 5 m/s · clouds 74%
Sunday13 September 2026
🌤️15°a few clouds
night 10° · evening 12° · rain 1.47 mm · humidity 66% · wind 2 m/s · clouds 12%
Monday14 September 2026
🌤️15°a few clouds
night 10° · evening 12° · rain 2.85 mm · humidity 63% · wind 3 m/s · clouds 11%
Tuesday15 September 2026
☁️14°broken clouds
night 12° · evening 13° · rain 0.66 mm · humidity 70% · wind 5 m/s · clouds 74%
Wednesday16 September 2026
🌧️15°light rain
night 11° · evening 12° · rain 1.44 mm · humidity 73% · wind 7 m/s · clouds 41%
Thursday17 September 2026
🌧️14°light rain
night 12° · evening 13° · rain 2.28 mm · humidity 71% · wind 8 m/s · clouds 95%
Friday18 September 2026
🌧️15°moderate rain
night 13° · evening 14° · rain 14.79 mm · humidity 95% · wind 13 m/s · clouds 98%
Saturday19 September 2026
🌧️11°moderate rain
night 10° · evening 11° · rain 8.82 mm · humidity 89% · wind 3 m/s · clouds 100%
Sunday20 September 2026
☁️15°broken clouds
night 11° · evening 11° · humidity 56% · wind 2 m/s · clouds 57%

Sea temperature - Isle of Man

Water today
17°C
Week avg
17°C
Waves today
0.7 m
How's the water?
cold
16-day sea temperature forecast:
5.09 17°C6.09 17°C7.09 17°C8.09 17°C9.09 17°C10.09 17°C11.09 17°C12.09 17°C13.09 16°C
Average sea temperature through the year:
Jan 9°CFeb 8°CMar 8°CApr 10°CMay 12°CJun 14°CJul 15°CAug 16°CSep 16°COct 15°CNov 13°CDec 11°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Weather in other countries in Europe

ItalyIrelandLatviaIcelandLiechtensteinHungary

Public holidays in Isle of Man - when are the long weekends?

Next long weekend in Isle of Man: Christmas Day (25 December, Friday) - Friday–Sunday (3 days off).

2026

25 DecemberFriday
Christmas Day
long weekend
28 DecemberMonday
Boxing Day
long weekend

2027

1 JanuaryFriday
New Year's Day
long weekend
26 MarchFriday
Good Friday
long weekend
29 MarchMonday
Easter Monday
long weekend
3 MayMonday
Early May Bank Holiday
long weekend
31 MayMonday
Spring Bank Holiday
long weekend
11 JuneFriday
Senior Race Day
long weekend
5 JulyMonday
Tynwald Day
long weekend
30 AugustMonday
Late Summer Bank Holiday
long weekend
27 DecemberMonday
Christmas Day
long weekend
28 DecemberTuesday
Boxing Day
long weekend + bridge day
Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources

FAQ - Isle of Man weather

What is the weather like in Isle of Man today?
Today it is about 15° during the day and 12° at night, scattered clouds.
How far ahead can I check the forecast for Isle of Man?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.