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
Sunny
Feels like 10°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources show notable variationTemperature range
11° – 12°
Rain probability
0% – 81%
Wind speed
6 km/h – 13 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 7%Hourly precipitation timeline
Wind
Direction: E
Current wind
12 km/h
Gusts
22 km/h
Hourly wind
Daily wind
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.
Nearby cities
Highs -4° – 29°C (warmest in Aug, coolest in Jan)
Highs -3° – 29°C (warmest in Aug, coolest in Jan)
Highs -2° – 29°C (warmest in Aug, coolest in Jan)
Highs -4° – 26°C (warmest in Aug, coolest in Jan)
Highs -3° – 28°C (warmest in Aug, coolest in Jan)
Highs -2° – 30°C (warmest in Aug, coolest in Jan)
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