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 usualrain: typical rainfallwind: typical
16°Cnear normal
usually 15°C–17°C
night: warmer than usualrain: typical rainfallwind: typical
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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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
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%
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.