Weekend Weather Forecast - Trondheim

Weekend weather in Trondheim. Saturday high 16°C (61°F). Sunday high 14°C (57°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +16°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
Sun13 Sep
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Temperature · peaks at +14°C

Weekend Activity Outlook

Travel / Drive
Rating
Great
Reason
Clear roads — ideal for a drive (Morning is best)
Outdoor Sports
Rating
Fair
Reason
Playable but conditions are tricky
Home / Laundry
Rating
Fair
Reason
Partial drying — use indoor racks too
Outdoor Events
Rating
Fair
Reason
Carry contingency plans

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Trondheim is forecast to reach a high of 16°C this weekend, with an overnight low around 9°C. That's 3° above the long-term average high of 13°C for this time of year. Expect a low chance of rain (30% probability) and a gentle breeze averaging 17 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.