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WeatherCompare

Sumy weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 11°C and sunny in Sumy. Tomorrow's forecast: highs of 17°C, lows of 10°C.

Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours

SumyUkraine

Updated 11:54 PM

11°

Sunny

Feels like 10°

Humidity
80%
Wind
12 km/h
Pressure
1029 hPa
Visibility
10 km
UV Index
0
Precipitation
0%
Sunrise
07:09 AM
Sunset
05:41 PM

Forecast Comparison

See how independent weather sources forecast the same location right now.

OpenWeatherMap

11°

Sunny

Precipitation
0%
Wind
12 km/h
Source: OpenWeatherMap
WeatherAPI.com

11°

Cloudy

Precipitation
81%
Wind
13 km/h
Source: WeatherAPI.com
Open-Meteo

12°

Cloudy

Precipitation
22%
Wind
6 km/h
Source: Open-Meteo

Forecast agreement

Sources show notable variation

Temperature range

11° – 12°

Rain probability

0% – 81%

Wind speed

6 km/h – 13 km/h

Temperature by provider

Hourly forecast

12 AM11°0%12 km/h
3 AM11°0%10 km/h
6 AM10°0%12 km/h
9 AM10°0%12 km/h
12 PM15°0%12 km/h
3 PM17°0%14 km/h
6 PM13°0%12 km/h
9 PM12°0%13 km/h
12 AM11°0%10 km/h
3 AM12°0%12 km/h
6 AM11°7%13 km/h
9 AM11°0%8 km/h
12 PM12°0%13 km/h
3 PM14°0%10 km/h
6 PM12°0%11 km/h
9 PM12°0%10 km/h

16-day forecast

TodayOct 19
14°11°
100% rain
TueOct 20
15°10°
0% rain
WedOct 21
11°9°
35% rain
ThuOct 22
14°8°
10% rain
FriOct 23
12°7°
6% rain
SatOct 24
11°7°
8% rain
SunOct 25
13°5°
7% rain
MonOct 26
11°5°
9% rain
TueOct 27
12°8°
18% rain
WedOct 28
14°5°
10% rain
ThuOct 29
13°4°
7% rain
FriOct 30
13°4°
11% rain
SatOct 31
13°4°
11% rain
SunNov 1
11°2°
8% rain
MonNov 2
4°1°
10% rain
TueNov 3
7°-2°
15% rain

Rain forecast

Precipitation probability: 7%

Hourly precipitation timeline

Wind

NESW

Direction: E

Current wind

12 km/h

Gusts

22 km/h

Hourly wind

12 AM12 km/h
3 AM10 km/h
6 AM12 km/h
9 AM12 km/h
12 PM12 km/h
3 PM14 km/h
6 PM12 km/h
9 PM13 km/h
12 AM10 km/h
3 AM12 km/h
6 AM13 km/h
9 AM8 km/h

Daily wind

Mon12 km/h
Tue14 km/h
Wed13 km/h
Thu15 km/h
Fri13 km/h

Weather alerts

No active weather alerts.

Weather map

Sumy this time of year

  • Just 150 km apart, but Sumy runs about 2°C cooler than Poltava this month.
  • October brings mid-autumn to Sumy.
  • It cools down fast from here: November is about 8°C cooler.

Planning a trip to Sumy? Save or share this forecast.

Sumy weather overview: climate, seasons and what to expect

Sumy, Ukraine, sits at approximately 50.92°N, 34.80°E and is home to about 294,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.

Sumy has a continental climate: warm summers and cold, often frosty winters. The warmest month is August, with highs around 27°C; the coolest is January, when nights average -11°C. May is usually the wettest month (about 70 mm). Close to Sumy, you can also check Kharkiv (147 km), Poltava (149 km) and Kremenchuk (228 km).

Frequently asked questions

What is the weather in Sumy today?
Right now Sumy shows sunny conditions at around 11°C (feels like 10°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
What is the weather in Sumy tomorrow?
Tomorrow in Sumy: expect a high of 17°C and a low of 10°C, with a 0% chance of rain. See the hourly breakdown above for more detail.
Will it rain in Sumy today?
The precipitation probability for Sumy is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
What is the 14-day forecast for Sumy?
The 14-day forecast above shows daily highs, lows and rain probability for Sumy from multiple sources; compare them to see how confident the outlook is.

More weather questions answered →

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