Weather in Nagano tomorrow, Friday, August 21
Weather in Nagano tomorrow: day +27°, night +22°, Light rain. Forecast by time of day and hourly below.
Hourly forecast for tomorrow in Nagano
Weather in Nagano by time of day 🌅
Weather forecast in Nagano tomorrow 📅
📒 Weather diary in Nagano
Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →
✉️ Weather forecast by email
Get the forecast for this city by email — every day at 17:00 Moscow time.
FAQ about weather in Nagano ❓
What's the weather in Nagano tomorrow?
Tomorrow +27° by day, +22° at night, light rain.
Will it rain in Nagano tomorrow?
Yes, rain is possible tomorrow — take an umbrella.
What to wear in Nagano tomorrow?
Warm — light clothes. Take a raincoat.
Sunrise and sunset in Nagano?
Sunrise 05:07, sunset 18:35, day length 13h 28m.
Will it be hot in Nagano?
Up to +30° by day — hot. Drink more water, avoid the sun from noon to 4 PM, wear light clothes and a hat.
Do I need sunscreen in Nagano?
Yes, the UV index is 9 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.
Do I need rubber boots in Nagano?
In rain and puddles, rubber boots or waterproof shoes will come in handy.
How long is it safe to stay in the sun in Nagano?
At UV 9, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
Weather in Nagano — in detail
Weather forecast in Nagano tomorrow: from +22° to +30° day and night. Warmest day — Thursday, August 20 (up to +30°). Coolest — Friday, August 21 (+22°). No significant precipitation. See also the forecast for 3 days and for the week.
To quickly check the weather in Nagano 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.