worldweather36°Cexceptionally warm
usually 22°C–31°C
warmer than 96% of similar days
night: near normal
rain: typical rainfall
wind: exceptionally strong
Weather in Bijeljina - 14-day forecast
Detailed weather forecast for Bijeljina, Bosnia and Herzegovina: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Bijeljina
today🌧️
36°💧 0.3 mm
Sun☁️
27°💧 1.5 mm
Mon☀️
31°💧 1.4 mm
Tue☁️
31°💧 0.1 mm
Wed☀️
34°💧 0.4 mm
Thu🌧️
25°💧 1.6 mm
Fri🌧️
24°💧 0.2 mm
Sat☁️
27°💧 22.5 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Bijeljina, the forecast high is 36°C. Typical daytime temperatures at this time of year range from 22°C to 31°C, so it will be exceptionally warm. It is warmer than 96% of similar days.
27°Cnear normal
usually 22°C–30°C
night: exceptionally warm
rain: more rain than usual
wind: typical
31°Cwarmer than usual
usually 22°C–30°C
warmer than 87% of similar days
night: exceptionally warm
rain: more rain than usual
wind: typical
31°Cwarmer than usual
usually 22°C–30°C
warmer than 85% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
34°Cexceptionally warm
usually 22°C–30°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
25°Cnear normal
usually 22°C–30°C
night: exceptionally warm
rain: more rain than usual
wind: stronger than usual
24°Cnear normal
usually 21°C–29°C
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 26°C by day. The coolest year was 2007 (18°C) and the warmest was 2008 (33°C). The current forecast averages 30°C - higher than in 80% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Bijeljina
Heatorange level
from 5 Sept, 10:00 to 7 Sept, 17:00
Areas: PRIJEDOR
High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.
Strong windyellow level
from 5 Sept, 19:00 to 5 Sept, 23:59
Areas: PRIJEDOR
Wind gusts can break branches and make driving harder. Watch for falling objects and stay away from trees.
Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.
14-day forecast - Bijeljina
Bijeljina 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 20° at night · days with rain: 9
Weeks 3-4 · avg for September
21°
around 13° at night · rain chance 48%
Weeks 5-7 · avg for October
20°
around 9° at night · rain chance 21%
The 30 & 45-day outlook for Bijeljina: the next 16 days are a numerical forecast updated daily - on average 28° by day and 20° at night. Further out we rely on multi-year climate averages: around 21° in September, and about 20° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Bijeljina
Saturday5 September 2026
🌧️36°light rain
Sunday6 September 2026
☁️27°broken clouds
Monday7 September 2026
☀️31°clear sky
Tuesday8 September 2026
☁️31°overcast clouds
Wednesday9 September 2026
☀️34°clear sky
Thursday10 September 2026
🌧️25°light rain
Friday11 September 2026
🌧️24°light rain
Saturday12 September 2026
☁️27°overcast clouds
Sunday13 September 2026
🌧️22°light rain
Monday14 September 2026
🌤️22°scattered clouds
Tuesday15 September 2026
☀️26°clear sky
Wednesday16 September 2026
☀️30°clear sky
Thursday17 September 2026
☀️27°clear sky
Friday18 September 2026
☀️29°clear sky
Saturday19 September 2026
☀️31°clear sky
Sunday20 September 2026
☀️32°clear sky
UV index in Bijeljina - is it safe to sunbathe?
Today the UV index in Bijeljina is 6 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Pollen in Bijeljina - info for allergy sufferers
Today ragweed pollen is highest in Bijeljina - about 760 grains/m³, very high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.
Bijeljina weather through the year
Warmest, driest months on average: April, May, June, July.
Nearby and related places
FAQ - Bijeljina weather
What is the weather like in Bijeljina today?
Today it is about 36° during the day and 16° at night, light rain.
How far ahead can I check the forecast for Bijeljina?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.