Today, 12 September, Saturday, in Tromsø (Norway): partly cloudy, cool. During the day the air will warm up to +14°, at night around +10°. Due to the wind it feels like +6°. Wind up to 25 km/h. No precipitation expected, you won't need an umbrella. You'll need a warm jacket or a sweater, especially in the evening. The sun will rise at 05:45 and set at 19:33 — daylight lasts 14 hours.
Hourly weather in Tromsø
3%07
2%08
1%09
1%10
0%11
0%12
0%13
0%14
0%15
0%16
0%17
0%18
0%19
0%20
0%21
0%22
0%23
0%00
0%01
0%02
4%03
9%04
20%05
41%06
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Tromsø for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
☁️
💧 4%
+10°+14°
Morning
🌤️
+11°
Day
☁️
+14°
Evening
🌇
+12°
Night
🌙
+10°
Overcast · precipitation 4% · wind up to 25 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tomorrow 13.9
🌦️
💧 90%
+9°+14°
Morning
🌦️
+11°
Day
🌦️
+14°
Evening
🌇
+10°
Night
🌙
+9°
Drizzle · precipitation 90% · wind up to 51 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Mon 14.9
🌦️
💧 100%
+6°+10°
Morning
🌦️
+7°
Day
🌦️
+10°
Evening
🌇
+9°
Night
🌙
+6°
Light rain · precipitation 100% · wind up to 35 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tue 15.9
🌫️
💧 20%
+2°+13°
Morning
🌫️
+6°
Day
🌫️
+13°
Evening
🌇
+10°
Night
🌙
+2°
Fog · precipitation 20% · wind up to 14 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Wed 16.9
🌦️
💧 71%
+8°+14°
Morning
🌦️
+10°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+8°
Drizzle · precipitation 71% · wind up to 15 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 17.9
🌦️
💧 63%
+8°+14°
Morning
🌦️
+10°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+8°
Drizzle · precipitation 63% · wind up to 9 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Fri 18.9
🌦️
💧 38%
+7°+10°
Morning
🌦️
+8°
Day
🌦️
+10°
Evening
🌇
+9°
Night
🌙
+7°
Drizzle · precipitation 38% · wind up to 7 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Sat 19.9
🌫️
💧 20%
+5°+12°
Morning
🌫️
+8°
Day
🌫️
+12°
Evening
🌇
+10°
Night
🌙
+5°
Fog · precipitation 20% · wind up to 8 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Sun 20.9
🌫️
💧 28%
+4°+15°
Morning
🌫️
+8°
Day
🌫️
+15°
Evening
🌇
+12°
Night
🌙
+4°
Fog · precipitation 28% · wind up to 9 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Mon 21.9
🌦️
💧 51%
+6°+14°
Morning
🌦️
+9°
Day
🌦️
+14°
Evening
🌇
+12°
Night
🌙
+6°
Drizzle · precipitation 51% · wind up to 7 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tue 22.9
🌦️
💧 50%
+6°+11°
Morning
🌦️
+8°
Day
🌦️
+11°
Evening
🌇
+10°
Night
🌙
+6°
Drizzle · precipitation 50% · wind up to 7 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Wed 23.9
🌦️
💧 55%
+6°+8°
Morning
🌦️
+7°
Day
🌦️
+8°
Evening
🌇
+8°
Night
🌙
+6°
Drizzle · precipitation 55% · wind up to 11 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 24.9
🌦️
💧 53%
+5°+7°
Morning
🌦️
+6°
Day
🌦️
+7°
Evening
🌇
+7°
Night
🌙
+5°
Drizzle · precipitation 53% · wind up to 9 km/h. 🧣 Cool. Take a warmer jacket.
▶
Fri 25.9
🌦️
💧 51%
+4°+9°
Morning
🌦️
+6°
Day
🌦️
+9°
Evening
🌇
+8°
Night
🌙
+4°
Drizzle · precipitation 51% · wind up to 25 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
81 / 100
comfort for running · Excellent
🧴 UV
0%
moderate · low
☂️ Rain
4%
unlikely · low
✨ Stars
85 / 100
evening visibility · Excellent
🧺 Laundry drying
48 / 100
will dry outside · Average
🚗 Car wash
90 / 100
no rain expected · Excellent
🌫️ Air quality
16
Excellent air
European AQI
PM2.5: 3PM10: 4O₃: 49NO₂: 6
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:45
Sunset
19:33
Golden hour
18:14
Daylight
14 h (-9 min vs yesterday)
Tromsø climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
-6°
-11°
Jan
-6°
-10°
Feb
-3°
-7°
Mar
+2°
-3°
Apr
+7°
+2°
May
+12°
+7°
Jun
+16°
+10°
Jul
+15°
+10°
Aug
+11°
+6°
Sep
+4°
+0°
Oct
-1°
-6°
Nov
-4°
-9°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Precipitation
What to pack and what makes the month notable (events, nuances)
January
-6°
-11°
108 mm
Freezing: -6° by day, -11° at night — full winter gear, ice underfoot is common. It's a rainy month (108 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. This is the coldest month of the year.
February
-6°
-10°
94 mm
Proper winter: -6° daytime, frost and short days. Frequent rain (94 mm over the month) — keep indoor backup plans. ❄️ a warm jacket, a hat, non-slip shoes.
March
-3°
-7°
103 mm
The coldest stretch: -3° by day, full winter clothing required. One of the wettest months (103 mm): downpours can derail plans. ❄️ a warm jacket, a hat, non-slip shoes.
April
+2°
-3°
86 mm
Cold: +2° by day, down to -3° at night — dress warmly. It's a rainy month (86 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes.
May
+7°
+2°
91 mm
Winter weather: about +7° daytime, you need a warm coat and hat. Frequent rain (91 mm over the month) — keep indoor backup plans. 🧣 a warmer jacket.
June
+12°
+7°
92 mm
Cool weather: +12° by day, noticeably colder in the evening. One of the wettest months (92 mm): downpours can derail plans. 🧥 a warm jacket. The longest daylight hours of the year — more time for everything.
July
+16°
+10°
91 mm
Cool: around +16° by day, you'll need a warm layer. It's a rainy month (91 mm) — an umbrella is a must. 🙂 a sweater for the evening. This is the hottest month of the year in Tromsø.
August
+15°
+10°
102 mm
A fresh month — +15° daytime, take a jacket for walks. Frequent rain (102 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Weather-wise, one of the three best months to visit.
September
+11°
+6°
124 mm
Cool weather: +11° by day, noticeably colder in the evening. One of the wettest months (124 mm): downpours can derail plans. 🧥 a warm jacket.
October
+4°
+0°
129 mm
Cold: +4° by day, down to +0° at night — dress warmly. It's a rainy month (129 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. Statistically the wettest month of the year.
November
-1°
-6°
96 mm
Proper winter: -1° daytime, frost and short days. Frequent rain (96 mm over the month) — keep indoor backup plans. ❄️ a warm jacket, a hat, non-slip shoes.
December
-4°
-9°
106 mm
The coldest stretch: -4° by day, full winter clothing required. One of the wettest months (106 mm): downpours can derail plans. ❄️ a warm jacket, a hat, non-slip shoes.
When to visit Tromsø
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+12…+16°
Precipitationoften
Featurewhite nights
Why: comfortable +12…+16° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, September
Daytime air-6…+11°
Precipitationoften
Featurewhite nights
Why: noticeable rain risk (86–124 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: October, November, December
Daytime air-4…+4°
Precipitationoften
Why: cold and dark (-4…+4° by day, 0 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Tromsø is June – August, and the most comfortable months are June, July, August. The toughest months to visit are October, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+14°
Normal for September
+11°
Deviation
3° warmer than normal
A year ago on this day
+19°
Record for this date
+19° (2025)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Tromsø
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Frequently asked questions about the weather in Tromsø
What is the weather in Tromsø right now?+
Overcast, +11°, feels like +6°.
Will it rain in Tromsø today?+
No: 4% chance, 0 mm.
When is the best time to visit Tromsø?+
Best time to visit — June – August.
What time are sunrise and sunset in Tromsø?+
Sunrise 05:45, sunset 19:33.
Does it snow in Tromsø in winter?+
Yes, snow is possible in January, February, March, April, October, November, December.
What is the climate in Tromsø by month?+
Summers up to +16° in July, winters around -11° in January; the wettest month is October.
Is it cold in Tromsø in winter?+
🥶 Severe frost. You'll need a warm jacket, a hat with ear flaps, gloves and warm boots (felt boots); staying outside for long is dangerous — risk of frostbite.
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