Tuesday, 13 October, in Helsinki (Finland): partly cloudy, cool. During the day the air will warm up to +9°, at night around +5°. Wind up to 21 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 water is cold, +11° — too chilly for swimming. The sun will rise at 07:54 and set at 18:17 — daylight lasts 10 hours.
Hourly weather in Helsinki
2%00
2%01
2%02
2%03
1%04
0%05
2%06
12%07
26%08
37%09
41%10
41%11
43%12
52%13
62%14
65%15
53%16
33%17
20%18
24%19
36%20
41%21
32%22
16%23
💧 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 Helsinki 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).
▶
Tue 13.10
☁️
💧 18%
+5°+9°
Morning
☁️
+6°
Day
☁️
+9°
Evening
🌇
+8°
Night
🌙
+5°
Overcast · precipitation 18% · wind up to 21 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Today 14.10
🌦️
💧 82%
+9°+11°
Morning
☁️
+10°
Day
🌦️
+11°
Evening
🌇
+11°
Night
🌙
+9°
Light rain · precipitation 82% · wind up to 34 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tomorrow 15.10
🌦️
💧 10%
+9°+12°
Morning
☁️
+11°
Day
🌦️
+12°
Evening
🌇
+12°
Night
🌙
+9°
Light rain · precipitation 10% · wind up to 23 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Fri 16.10
🌦️
💧 25%
+10°+13°
Morning
🌦️
+11°
Day
🌦️
+13°
Evening
🌇
+12°
Night
🌙
+10°
Drizzle · precipitation 25% · wind up to 27 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Sat 17.10
🌦️
💧 31%
+9°+13°
Morning
🌦️
+10°
Day
🌦️
+13°
Evening
🌇
+12°
Night
🌙
+9°
Drizzle · precipitation 31% · wind up to 25 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Sun 18.10
🌦️
💧 14%
+4°+9°
Morning
🌦️
+6°
Day
🌦️
+9°
Evening
🌇
+8°
Night
🌙
+4°
Drizzle · precipitation 14% · wind up to 22 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Mon 19.10
⛅
💧 16%
+2°+9°
Morning
⛅
+5°
Day
⛅
+9°
Evening
🌇
+7°
Night
🌙
+2°
Partly cloudy · precipitation 16% · wind up to 13 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tue 20.10
☁️
💧 24%
+4°+12°
Morning
☁️
+7°
Day
☁️
+12°
Evening
🌇
+10°
Night
🌙
+4°
Overcast · precipitation 24% · wind up to 21 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Wed 21.10
🌦️
💧 20%
+3°+9°
Morning
🌦️
+5°
Day
🌦️
+9°
Evening
🌇
+8°
Night
🌙
+3°
Drizzle · precipitation 20% · wind up to 23 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 22.10
☁️
💧 19%
+0°+4°
Morning
☁️
+1°
Day
☁️
+4°
Evening
🌇
+3°
Night
🌙
+0°
Overcast · precipitation 19% · wind up to 26 km/h. ❄️ Cold, around zero and below. A warm jacket and a hat are a must; ice is common — you'll need non-slip shoes.
▶
Fri 23.10
☁️
💧 16%
-2°+5°
Morning
☁️
+1°
Day
☁️
+5°
Evening
🌇
+3°
Night
🌙
-2°
Overcast · precipitation 16% · wind up to 19 km/h. 🧣 Cool. Take a warmer jacket.
▶
Sat 24.10
☁️
💧 20%
+2°+5°
Morning
☁️
+3°
Day
☁️
+5°
Evening
🌇
+4°
Night
🌙
+2°
Overcast · precipitation 20% · wind up to 18 km/h. 🧣 Cool. Take a warmer jacket.
▶
Sun 25.10
☁️
-1°+4°
Morning
☁️
+1°
Day
☁️
+4°
Evening
🌇
+3°
Night
🌙
-1°
Overcast · precipitation 0% · wind up to 23 km/h. ❄️ Cold, around zero and below. A warm jacket and a hat are a must; ice is common — you'll need non-slip shoes.
🗺️ 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.
🏖️ Beach
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 11° · Bad
🏃 Running
50 / 100
comfort for running · Average
🧴 UV
0%
moderate · low
☂️ Rain
18%
unlikely · low
✨ Stars
75 / 100
evening visibility · Good
🧺 Laundry drying
27 / 100
will dry outside · So-so
🚗 Car wash
73 / 100
no rain expected · Good
🌫️ Air quality
20
Excellent air
European AQI
PM2.5: 2PM10: 3O₃: 60NO₂: 5
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
07:54
Sunset
18:17
Golden hour
17:17
Daylight
10 h (-5 min vs yesterday)
Sea temperature
+11°
🌊 calm, waves 0.1 m.
🌌 Northern lights: Kp index 5 — faint aurora possible outside the city after midnight. Data: NOAA SWPC.
Helsinki 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.
-2°
-6°
Jan
-3°
-7°
Feb
+1°
-4°
Mar
+7°
+0°
Apr
+13°
+6°
May
+17°
+11°
Jun
+21°
+15°
Jul
+20°
+14°
Aug
+15°
+10°
Sep
+8°
+5°
Oct
+3°
+0°
Nov
+0°
-3°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
-2°
-6°
+0°
50 mm
Proper winter: -2° daytime, frost and short days. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+0°) — swimming is for the brave.
February
-3°
-7°
+0°
42 mm
The coldest stretch: -3° by day, full winter clothing required. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+0°) — swimming is for the brave. This is the coldest month of the year.
March
+1°
-4°
+1°
37 mm
Freezing: +1° by day, -4° at night — full winter gear, ice underfoot is common. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+1°) — swimming is for the brave.
April
+7°
+0°
+4°
37 mm
Winter weather: about +7° daytime, you need a warm coat and hat. 🧣 a warmer jacket. The water is cold (+4°) — swimming is for the brave.
May
+13°
+6°
+10°
44 mm
Cool weather: +13° by day, noticeably colder in the evening. 🧥 a warm jacket. The water is cold (+10°) — swimming is for the brave.
June
+17°
+11°
+16°
71 mm
Cool: around +17° by day, you'll need a warm layer. It's a rainy month (71 mm) — an umbrella is a must. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave. The longest daylight hours of the year — more time for everything.
July
+21°
+15°
+19°
75 mm
Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (75 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. This is the hottest month of the year in Helsinki.
August
+20°
+14°
+20°
76 mm
The most pleasant season: +20° by day, comfortable all day long. One of the wettest months (76 mm): downpours can derail plans. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. Statistically the wettest month of the year.
September
+15°
+10°
+17°
58 mm
Cool: around +15° by day, you'll need a warm layer. 🧥 a warm jacket. The water is cold (+17°) — swimming is for the brave.
October
+8°
+5°
+11°
63 mm
Winter weather: about +8° daytime, you need a warm coat and hat. Frequent rain (63 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
November
+3°
+0°
+6°
63 mm
A cold month: +3° by day, long walks get uncomfortable. One of the wettest months (63 mm): downpours can derail plans. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+6°) — swimming is for the brave.
December
+0°
-3°
+2°
57 mm
Freezing: +0° by day, -3° at night — full winter gear, ice underfoot is common. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+2°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.
When to visit Helsinki
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+17…+21°
Sea temperature+16…+20°
Precipitationoften
Featurewhite nights
Why: comfortable +17…+21° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, September
Daytime air-3…+15°
Sea temperature+0…+17°
Precipitationoften
Why: cool (-3…+15°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: October, November, December
Daytime air+0…+8°
Sea temperature+2…+11°
Precipitationoften
Why: cold and dark (+0…+8° by day, 6 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Helsinki is June – August, and the most comfortable months are June, July, August. The toughest months to visit are October, November, December: cold and short days.
🌡️ Today vs the climate normal
Today's high
+9°
Normal for October
+8°
Deviation
1° warmer than normal
A year ago on this day
+8°
Record for this date
+14° (2018)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Helsinki
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.