Weather in Bosnia and Herzegovina - today, tomorrow and 14-day forecast

Right now temperatures across Bosnia and Herzegovina range from 31° to 36°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.

Weather in Bosnia and Herzegovina's cities today

🌧️Bijeljina 36°💧 0.3 mm ☀️Mostar 34°💧 16.1 mm ☀️Konjic 34°💧 5.7 mm ☀️Doboj 34°💧 0.7 mm ☀️Trebinje 33°💧 24 mm ☀️Banja Luka 33°💧 1.4 mm ☀️Zenica 33°💧 1.8 mm ☀️Prijedor 32°💧 1.2 mm ☀️Travnik 32°💧 2.4 mm ☀️Sarajevo 31°💧 4.4 mm

Weather map - today's temperatures

Pill colour shows today's daytime temperature. Click a city for its full 14-day forecast.

Next days in Bosnia and Herzegovina

today☀️ 33°💧 2.1 mm

Sun☀️ 28°💧 0.9 mm

Mon☀️ 30°💧 1.3 mm

Tue🌧️ 30°💧 0.7 mm

Wed🌧️ 31°💧 0.9 mm

Thu🌧️ 24°💧 4.9 mm

Fri☁️ 22°💧 1.5 mm

Sat☁️ 27°💧 12.7 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Saturday 5 Sept in Bosnia and Herzegovina, the forecast high is 33°C. Typical daytime temperatures at this time of year range from 20°C to 28°C, so it will be exceptionally warm. It is warmer than 100% of similar days.

Saturday 5 Sept

33°Cexceptionally warm

usually 20°C–28°C

warmer than 100% of similar days

night: exceptionally warm rain: more rain than usual wind: exceptionally strong

Sunday 6 Sept

28°Cwarmer than usual

usually 20°C–27°C

warmer than 82% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Monday 7 Sept

30°Cexceptionally warm

usually 20°C–27°C

warmer than 96% of similar days

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Tuesday 8 Sept

30°Cexceptionally warm

usually 19°C–27°C

warmer than 96% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Wednesday 9 Sept

31°Cexceptionally warm

usually 19°C–27°C

warmer than 98% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Thursday 10 Sept

24°Cnear normal

usually 19°C–26°C

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Friday 11 Sept

22°Cnear normal

usually 19°C–26°C

night: exceptionally warm rain: more rain than usual 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.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 23°C by day. The coolest year was 2007 (16°C) and the warmest was 2008 (30°C). The current forecast averages 28°C - higher than in 98% 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 - Bosnia and Herzegovina

Heatorange level

from 5 Sept, 10:00 to 7 Sept, 17:00 · 10 regions

Areas: Mostar, Tuzla, Sarajevo, Bihac, Livno, Trebinje and 4 more regions

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 - Bosnia and Herzegovina

Bosnia and Herzegovina - 14-day weather forecast infographic

Bosnia and Herzegovina 30 & 45-day weather - long-range outlook

Next 16 days · forecast

28°

around 19° at night · days with rain: 10

Weeks 3-4 · avg for September

22°

around 13° at night · rain chance 41%

Weeks 5-7 · avg for October

20°

around 9° at night · rain chance 36%

The 30 & 45-day outlook for Bosnia and Herzegovina: the next 16 days are a numerical forecast updated daily - on average 28° by day and 19° at night. Further out we rely on multi-year climate averages: around 22° in September, and about 20° in October. Forecasts beyond two weeks are indicative only.

Today vs the next days - Bosnia and Herzegovina cities

City	Today	+3 days	+7 days	Rain today
🌧️ Bijeljina	36℃	31℃	27℃	0.3 mm
☀️ Mostar	34℃	32℃	27℃	16.1 mm
☀️ Konjic	34℃	31℃	27℃	5.7 mm
☀️ Doboj	34℃	30℃	27℃	0.7 mm
☀️ Trebinje	33℃	30℃	27℃	24 mm
☀️ Banja Luka	33℃	30℃	26℃	1.4 mm
☀️ Zenica	33℃	29℃	27℃	1.8 mm
☀️ Prijedor	32℃	30℃	27℃	1.2 mm
☀️ Travnik	32℃	29℃	26℃	2.4 mm
☀️ Sarajevo	31℃	29℃	25℃	4.4 mm

Day-by-day forecast for Bosnia and Herzegovina

Saturday5 September 2026

☀️33°clear sky

night 18° · evening 31° · rain 2.115 mm · humidity 21% · wind 5 m/s · clouds 1%

Sunday6 September 2026

☀️28°clear sky

night 18° · evening 28° · rain 0.915 mm · humidity 30% · wind 4 m/s · clouds 2.5%

Monday7 September 2026

☀️30°clear sky

night 20° · evening 30° · rain 1.26 mm · humidity 28.5% · wind 3 m/s · clouds 3.5%

Tuesday8 September 2026

🌧️30°light rain

night 21° · evening 32° · rain 0.735 mm · humidity 24% · wind 3 m/s · clouds 51%

Wednesday9 September 2026

🌧️31°light rain

night 20° · evening 29° · rain 0.88 mm · humidity 25.5% · wind 3 m/s · clouds 4.5%

Thursday10 September 2026

🌧️24°light rain

night 17° · evening 24° · rain 4.875 mm · humidity 52.5% · wind 3 m/s · clouds 45%

Friday11 September 2026

☁️22°overcast clouds

night 18° · evening 27° · rain 1.5 mm · humidity 52% · wind 2 m/s · clouds 94.5%

Saturday12 September 2026

☁️27°broken clouds

night 19° · evening 27° · rain 12.735 mm · humidity 46% · wind 2 m/s · clouds 54%

Sunday13 September 2026

🌧️25°light rain

night 15° · evening 18° · rain 1.875 mm · humidity 46.5% · wind 4 m/s · clouds 62.5%

Monday14 September 2026

☁️21°overcast clouds

night 15° · evening 25° · rain 30.465 mm · humidity 52% · wind 3 m/s · clouds 58%

Tuesday15 September 2026

☀️25°clear sky

night 19° · evening 29° · rain 3.5549999999999997 mm · humidity 40% · wind 2 m/s · clouds 95.5%

Wednesday16 September 2026

☀️29°clear sky

night 21° · evening 29° · rain 4.095 mm · humidity 37.5% · wind 3 m/s · clouds 60.5%

Thursday17 September 2026

☀️27°clear sky

night 19° · evening 29° · rain 1.365 mm · humidity 47% · wind 3 m/s · clouds 23%

Friday18 September 2026

☀️28°clear sky

night 20° · evening 31° · rain 0.45 mm · humidity 39.5% · wind 3 m/s · clouds 12%

Saturday19 September 2026

☁️30°broken clouds

night 21° · evening 32° · rain 0.18 mm · humidity 30% · wind 2 m/s · clouds 30%

Sunday20 September 2026

☀️30°clear sky

night 23° · evening 32° · humidity 27.5% · wind 3 m/s · clouds 4.5%

Pollen in Bosnia and Herzegovina - info for allergy sufferers

Today ragweed pollen is highest in Bosnia and Herzegovina - about 279 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.

Sea temperature - Bosnia and Herzegovina

Beach	Water today	Water week avg	Waves	How's the water?
Trebinje	28℃	28℃	0.1 m	very warm

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Bosnia and Herzegovina

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Banja Luka	6.6	9.4	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).

Bosnia and Herzegovina weather through the year

Bosnia and Herzegovina weather month by month - when is the best time to go?

January (7°)February (9°)March (13°)April (18°)May (22°)June (26°)July (29°)August (29°)September (22°)October (20°)November (13°)December (7°)

Weather in other countries in Europe

BulgariaBelgiumCroatiaBelarusCzech RepublicAustria

FAQ - Bosnia and Herzegovina weather

What is the weather like in Bosnia and Herzegovina today?

Today it is about 33° during the day and 18° at night, clear sky.

How far ahead can I check the forecast for Bosnia and Herzegovina?

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.