Weather in DeKalb — today, tomorrow and 14-day forecast
Weather in DeKalb now: +19°, clear, wind 2 m/s, humidity 84%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.
Weather in DeKalb now
Hourly forecast for today in DeKalb
Weather in DeKalb tomorrow
From +18° to +24° — day and night.
Weather in DeKalb for 3 days
From +14° to +26° — day and night.
Weather in DeKalb for the week
Including the 5-day outlook.
From +13° to +26° — day and night.
Weather in DeKalb for 2 weeks
Including the 10-day outlook.
From +13° to +26° — day and night.
Weekend weather in DeKalb
Weather for the weather-sensitive
📒 Weather diary in DeKalb
Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →
What to do in DeKalb in weather like this 🎯
✉️ Weather forecast by email
Get the forecast for this city by email — every day at 17:00 Moscow time.
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DeKalb, Illinoys, United States. Population 43 211.
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FAQ about weather in DeKalb ❓
What's the weather in DeKalb right now?
Now +19°, clear, wind 2 m/s, S-W, humidity 84%. Feels like +20°.
What's the weather in DeKalb tomorrow?
Tomorrow: +24° by day, +18° at night, partly cloudy.
Sunrise and sunset in DeKalb?
Sunrise 05:05, sunset 18:53, day length 13h 48m.
What's the pressure and humidity in DeKalb?
Pressure 762 mmHg, humidity 84%, wind 6 m/s. Matters for weather-sensitive people.
Will it rain in DeKalb today?
Yes, rain is expected, precipitation chance —%. Take an umbrella or a raincoat.
Do I need sunscreen in DeKalb?
Yes, the UV index is 8 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.
Do I need rubber boots in DeKalb?
In rain and puddles, rubber boots or waterproof shoes will come in handy.
How long is it safe to stay in the sun in DeKalb?
At UV 8, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
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Weather in DeKalb — in detail
Weather in DeKalb from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.
To quickly check the weather in DeKalb anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.