Detailed weather forecast for Galle, Sri Lanka: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Galle
today🌧️31°💧 6.8 mm
Sun🌧️31°💧 19.8 mm
Mon🌧️28°💧 21.2 mm
Tue🌧️28°💧 29.1 mm
Wed🌧️28°💧 14.6 mm
Thu🌧️28°💧 10.4 mm
Fri🌧️28°💧 16.4 mm
Sat🌧️28°💧 18.5 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
Saturday 5 Sept in Galle, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 27°C to 28°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
31°Cexceptionally warm
usually 27°C–28°C
warmer than 99% of similar days
night: exceptionally warmrain: more rain than usualwind: exceptionally light
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1984 (27°C) and the warmest was 1987 (29°C). The current forecast averages 29°C - higher than in 100% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Galle
Day-by-day forecast for Galle
Saturday5 September 2026
🌧️31°moderate rain
sunrise 06:02 · sunset 18:14 · night 30° · evening 31° · rain 6.76 mm · humidity 76% · wind 5 m/s · clouds 73%
Sunday6 September 2026
🌧️31°moderate rain
sunrise 06:02 · sunset 18:14 · night 30° · evening 31° · rain 19.84 mm · humidity 76% · wind 5 m/s · clouds 95%
Monday7 September 2026
🌧️28°moderate rain
sunrise 06:01 · sunset 18:13 · night 27° · evening 27° · rain 21.24 mm · humidity 79% · wind 5 m/s · clouds 75%
Tuesday8 September 2026
🌧️28°moderate rain
sunrise 06:01 · sunset 18:13 · night 26° · evening 27° · rain 29.05 mm · humidity 80% · wind 6 m/s · clouds 95%
Wednesday9 September 2026
🌧️28°moderate rain
sunrise 06:01 · sunset 18:12 · night 27° · evening 27° · rain 14.59 mm · humidity 80% · wind 7 m/s · clouds 73%
Thursday10 September 2026
🌧️28°light rain
sunrise 06:01 · sunset 18:12 · night 27° · evening 27° · rain 10.35 mm · humidity 77% · wind 7 m/s · clouds 84%
Friday11 September 2026
🌧️28°light rain
sunrise 06:01 · sunset 18:11 · night 27° · evening 27° · rain 16.44 mm · humidity 80% · wind 8 m/s · clouds 89%
Saturday12 September 2026
🌧️28°light rain
sunrise 06:00 · sunset 18:11 · night 27° · evening 27° · rain 18.45 mm · humidity 80% · wind 8 m/s · clouds 100%
Sunday13 September 2026
🌧️28°moderate rain
sunrise 06:00 · sunset 18:10 · night 27° · evening 27° · rain 19.35 mm · humidity 79% · wind 8 m/s · clouds 100%
Monday14 September 2026
🌧️28°moderate rain
sunrise 06:00 · sunset 18:10 · night 27° · evening 27° · rain 16.26 mm · humidity 80% · wind 8 m/s · clouds 100%
Tuesday15 September 2026
🌧️28°light rain
sunrise 06:00 · sunset 18:09 · night 27° · evening 27° · rain 13.83 mm · humidity 77% · wind 9 m/s · clouds 100%
Wednesday16 September 2026
🌧️28°moderate rain
sunrise 06:00 · sunset 18:09 · night 27° · evening 27° · rain 24.99 mm · humidity 76% · wind 9 m/s · clouds 100%
Thursday17 September 2026
🌧️28°light rain
sunrise 05:59 · sunset 18:08 · night 27° · evening 27° · rain 12.33 mm · humidity 78% · wind 9 m/s · clouds 96%
Friday18 September 2026
🌧️28°moderate rain
sunrise 05:59 · sunset 18:07 · night 27° · evening 27° · rain 28.83 mm · humidity 82% · wind 8 m/s · clouds 97%
Saturday19 September 2026
🌧️29°moderate rain
sunrise 05:59 · sunset 18:07 · night 26° · evening 27° · rain 22.44 mm · humidity 72% · wind 7 m/s · clouds 99%
Sunday20 September 2026
🌧️28°moderate rain
sunrise 05:59 · sunset 18:06 · night 27° · evening 28° · rain 13.02 mm · humidity 78% · wind 7 m/s · clouds 100%
UV index in Galle - is it safe to sunbathe?
Today the UV index in Galle is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Upcoming public holidays in Sri Lanka: Binara Full Moon Poya Day — 26 September · Vap Full Moon Poya Day — 25 October · Deepavali — 8 November. Full calendar and travel notes