Detailed weather forecast for Nizwa, Oman: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Nizwa
today🌧️36°💧 0.3 mm
Sun🌧️37°💧 0.8 mm
Mon🌧️35°💧 0.4 mm
Tue🌧️36°💧 0.1 mm
Wed☀️39°💧 0.4 mm
Thu☀️38°💧 0.2 mm
Fri☀️40°💧 0.5 mm
Sat🌤️40°💧 0.1 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
Monday 7 Sept in Nizwa, the forecast high is 35°C. Typical daytime temperatures at this time of year range from 39°C to 42°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
36°Cexceptionally cool
usually 39°C–42°C
cooler than 97% of similar days
night: exceptionally warmrain: more rain than usualwind: exceptionally strong
From 1981 to 2025, the 5-11 Sept period averaged 40°C by day. The coolest year was 2024 (35°C) and the warmest was 2019 (43°C). The current forecast averages 37°C - lower than in 96% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Nizwa
Nizwa 30 & 45-day weather - long-range outlook
Next 16 days · forecast
38°
around 31° at night · days with rain: 0
Weeks 3-4 · avg for September
27°
around 18° at night · rain chance 0%
Weeks 5-7 · avg for October
24°
around 15° at night · rain chance 0%
The 30 & 45-day outlook for Nizwa: the next 16 days are a numerical forecast updated daily - on average 38° by day and 31° at night. Further out we rely on multi-year climate averages: around 27° in September, and about 24° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Nizwa
Saturday5 September 2026
🌧️36°light rain
sunrise 05:53 · sunset 18:24 · night 30° · evening 35° · rain 0.26 mm · humidity 27% · wind 7 m/s · clouds 6%
Sunday6 September 2026
🌧️37°light rain
sunrise 05:54 · sunset 18:23 · night 30° · evening 35° · rain 0.83 mm · humidity 28% · wind 7 m/s · clouds 1%
Monday7 September 2026
🌧️35°light rain
sunrise 05:54 · sunset 18:22 · night 31° · evening 36° · rain 0.38 mm · humidity 36% · wind 6 m/s · clouds 64%
Tuesday8 September 2026
🌧️36°light rain
sunrise 05:54 · sunset 18:21 · night 34° · evening 36° · rain 0.1 mm · humidity 31% · wind 7 m/s · clouds 90%
Wednesday9 September 2026
☀️39°clear sky
sunrise 05:54 · sunset 18:20 · night 34° · evening 38° · rain 0.39 mm · humidity 23% · wind 7 m/s · clouds 48%
Thursday10 September 2026
☀️38°clear sky
sunrise 05:55 · sunset 18:19 · night 35° · evening 37° · rain 0.24 mm · humidity 24% · wind 6 m/s · clouds 2%
Friday11 September 2026
☀️40°clear sky
sunrise 05:55 · sunset 18:18 · night 34° · evening 38° · rain 0.48 mm · humidity 19% · wind 4 m/s · clouds 1%
Saturday12 September 2026
🌤️40°scattered clouds
sunrise 05:55 · sunset 18:17 · night 31° · evening 38° · rain 0.12 mm · humidity 19% · wind 4 m/s · clouds 28%
Today the UV index in Nizwa 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.
Nizwa weather through the year
Warmest, driest months on average: March, April, May, June.
Upcoming public holidays in Oman: Oman National Day — 25 – 26 November.