Weather in Niteroi for 3 days
Weather in Niteroi now: +22°, mostly clear. Below — a 3-day planner by time of day: morning, afternoon, evening and night with precipitation and wind.
Weather forecast in Niteroi for 3 days 📅
Temperature chart for 3 days 📈
🕒 Weather in Niteroi by time of day — 3 days
🏅 Best day of the three
When it will rain in Niteroi in the next 3 days 🌧️
Friday (August 21) — rain; Saturday (August 22) — rain.
📒 Weather diary in Niteroi
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 Niteroi ❓
Will it rain in Niteroi in the next 3 days?
Rain expected: Friday (August 21), Saturday (August 22). Take an umbrella those days.
How will the temperature change in Niteroi over 3 days?
By day from +22° to +30°, nights around +20°. It gets cooler toward the end.
Good for outdoor plans in Niteroi over 3 days?
On rainy days take an umbrella; dry days are comfortable for walks.
Sunrise and sunset in Niteroi?
Sunrise 06:14, sunset 17:38, day length 11h 24m.
Do I need an umbrella in Niteroi for 3 days?
No, precipitation is unlikely — you can go out without an umbrella.
Do I need sunscreen in Niteroi?
Yes, the UV index is 7 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.
Is it a good day for a picnic in Niteroi?
Yes, it’s warm and dry (up to +26°) — a good time for a picnic, a walk or a barbecue.
How long is it safe to stay in the sun in Niteroi?
At UV 7, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
Is it a good day to wash the car in Niteroi?
No precipitation expected — a good time to wash the car; rain won’t spoil it in the coming hours.
Is it good weather for a walk or a bike ride in Niteroi?
Yes, dry and comfortable (up to +26°) — great for a walk, a bike ride or a run.
Which of the next three days is best for a walk or a trip?
The best day is Saturday, August 22: by day +22°, wind up to 6 m/s. See the time-of-day cards above for the full comparison.
Weather in Niteroi — in detail
Weather forecast in Niteroi for 3 days: from +20° to +30° day and night. Warmest day — Friday, August 21 (up to +30°). Coolest — Saturday, August 22 (+20°). No significant precipitation. Trend: it cools toward the end. See also the forecast for the week and for 2 weeks.
To quickly check the weather in Niteroi 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.