Detailed weather forecast for Hamar, Norway: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Hamar
today🌧️18°💧 1.2 mm
Sun☁️20°💧 0.2 mm
Mon🌧️15°💧 0.7 mm
Tue🌧️18°💧 2.6 mm
Wed🌧️14°💧 7 mm
Thu🌧️16°💧 4.4 mm
Fri🌧️15°💧 0.5 mm
Sat🌧️10°💧 12.9 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
Sunday 6 Sept in Hamar, the forecast high is 20°C. Typical daytime temperatures at this time of year range from 12°C to 16°C, so it will be exceptionally warm. It is warmer than 98% of similar days.
18°Cexceptionally warm
usually 12°C–16°C
warmer than 93% of similar days
night: exceptionally warmrain: typical rainfallwind: lighter than usual
20°Cexceptionally warm
usually 12°C–16°C
warmer than 98% of similar days
night: exceptionally warmrain: less rain than usualwind: exceptionally light
From 1981 to 2025, the 5-11 Sept period averaged 14°C by day. The coolest year was 1985 (9°C) and the warmest was 2024 (18°C). The current forecast averages 17°C - higher than in 82% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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.
Weather warnings - Hamar
No active weather warnings for Hamar (region: Hedmark). The national weather service is not forecasting dangerous conditions.
14-day forecast - Hamar
Hamar 30 & 45-day weather - long-range outlook
Next 16 days · forecast
16°
around 11° at night · days with rain: 8
Weeks 3-4 · avg for September
16°
around 7° at night · rain chance 48%
Weeks 5-7 · avg for October
9°
around 3° at night · rain chance 57%
The 30 & 45-day outlook for Hamar: the next 16 days are a numerical forecast updated daily - on average 16° by day and 11° at night. Further out we rely on multi-year climate averages: around 16° in September, and about 9° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Hamar
Saturday5 September 2026
🌧️18°light rain
sunrise 06:17 · sunset 20:10 · night 11° · evening 16° · rain 1.17 mm · humidity 50% · wind 2 m/s · clouds 98%
Sunday6 September 2026
☁️20°overcast clouds
sunrise 06:20 · sunset 20:07 · night 11° · evening 16° · rain 0.15 mm · humidity 49% · wind 1 m/s · clouds 85%
Monday7 September 2026
🌧️15°light rain
sunrise 06:22 · sunset 20:04 · night 15° · evening 16° · rain 0.7 mm · humidity 83% · wind 4 m/s · clouds 99%
Tuesday8 September 2026
🌧️18°light rain
sunrise 06:25 · sunset 20:01 · night 12° · evening 14° · rain 2.55 mm · humidity 57% · wind 4 m/s · clouds 79%
Wednesday9 September 2026
🌧️14°moderate rain
sunrise 06:27 · sunset 19:58 · night 10° · evening 11° · rain 7.01 mm · humidity 67% · wind 2 m/s · clouds 100%
Thursday10 September 2026
🌧️16°light rain
sunrise 06:29 · sunset 19:55 · night 8° · evening 11° · rain 4.38 mm · humidity 56% · wind 2 m/s · clouds 39%
Friday11 September 2026
🌧️15°light rain
sunrise 06:32 · sunset 19:52 · night 11° · evening 12° · rain 0.48 mm · humidity 55% · wind 1 m/s · clouds 97%
Saturday12 September 2026
🌧️10°moderate rain
sunrise 06:34 · sunset 19:48 · night 10° · evening 10° · rain 12.87 mm · humidity 88% · wind 3 m/s · clouds 100%
Sunday13 September 2026
☁️16°broken clouds
sunrise 06:37 · sunset 19:45 · night 10° · evening 12° · rain 3.3 mm · humidity 44% · wind 2 m/s · clouds 66%
Monday14 September 2026
☁️11°overcast clouds
sunrise 06:39 · sunset 19:42 · night 6° · evening 8° · rain 0.21 mm · humidity 62% · wind 2 m/s · clouds 100%
Today the UV index in Hamar is 4 (moderate) - unprotected fair skin can burn in about 55 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Pollen in Hamar - info for allergy sufferers
Hamar weather through the year
Warmest, driest months on average: May, June, July, August.
Upcoming public holidays in Norway: Christmas Day — 25 December · St. Stephen's Day — 26 December · New Year's Day — 1 January.