Tomorrow's Weather Forecast - Trondheim

Tomorrow's weather in Trondheim. high 16°C (61°F), low 6°C (43°F). Drizzle.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Light rain is possible, though a 27% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 82% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 82%, giving the air a damp, heavy feel even without much heat behind it. Winds stay light and calm, rarely topping 11 km/h. Sunrise is at 6:30 AM and sunset at 7:57 PM, for about 13h 26m of daylight.

Tomorrow
16°/ 6°
Today14° / 8°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon
Rain probability
0%
Wind speed
6 km/h
AfternoonNoon – 6 PM15°
Rain probability
22%
Wind speed
7 km/h
Evening6 PM – Midn13°
Rain probability
27%
Wind speed
11 km/h
NightMidn – 6 AM
Rain probability
0%
Wind speed
4 km/h

24-Hour Rain & Temperature Forecast

Tomorrow11 Sep
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Temperature · peaks at +16°C

Planning Advice for Tomorrow

Clothing
Warm jacket and comfortable layers recommended.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:00 AM
Total Daylight
Full day forecastSolar noon 1:14 PM
Sunset
Dusk 8:27 PM
vs today-7 min daylight
Sunrise shift2 min later
Sunset shift3 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Trondheim is forecast to reach a high of 16°C tomorrow, with an overnight low around 6°C. That's 3° above the long-term average high of 13°C for this time of year. Expect a low chance of rain (27% probability) and a gentle breeze averaging 11 km/h. Air quality is currently good (AQI 28), with no notable outdoor health concerns.

Today vs Normal

14°C+1° above normal

The long-term average high for today is 13°C.

6 of the last 20 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-19: 11°C11°2026-08-20: 10°C10°2026-08-21: 15°C15°2026-08-22: 13°C13°2026-08-23: 10°C10°2026-08-24: 13°C13°2026-08-25: 17°C17°2026-08-26: 20°C20°2026-08-27: 21°C21°2026-08-28: 19°C19°2026-08-29: 16°C16°2026-08-30: 12°C12°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.