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Weather in Nikšic - 14-day forecast

Detailed weather forecast for Nikšic, Montenegro: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Nikšic
today☀️ 33°💧 30.3 mm
Sun☀️ 31°💧 7.1 mm
Mon☀️ 33°💧 5.6 mm
Tue🌧️ 31°💧 0.9 mm
Wed🌧️ 30°💧 0.8 mm
Thu🌧️ 31°💧 3.8 mm
Fri🌧️ 29°💧 2.7 mm
Sat☀️ 27°💧 15.8 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 Nikšic, the forecast high is 33°C. Typical daytime temperatures at this time of year range from 17°C to 24°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

33°Cexceptionally warm
usually 17°C–24°C
warmer than 99% of similar days
night: exceptionally warm rain: exceptionally wet wind: typical
31°Cexceptionally warm
usually 17°C–24°C
warmer than 99% of similar days
night: exceptionally warm rain: more rain than usual wind: lighter than usual
33°Cexceptionally warm
usually 17°C–24°C
warmer than 99% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
31°Cexceptionally warm
usually 17°C–23°C
warmer than 99% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
30°Cexceptionally warm
usually 17°C–23°C
warmer than 99% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
31°Cexceptionally warm
usually 17°C–23°C
warmer than 99% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
29°Cexceptionally warm
usually 17°C–23°C
warmer than 98% of similar days
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 →
10°23°35° 1981: 18°C1982: 22°C1983: 19°C1984: 20°C1985: 20°C1986: 21°C1987: 23°C1988: 20°C1989: 17°C1990: 17°C1991: 20°C1992: 20°C1993: 18°C1994: 24°C1995: 17°C1996: 14°C1997: 23°C1998: 20°C1999: 20°C2000: 16°C2001: 15°C2002: 18°C2003: 18°C2004: 19°C2005: 19°C2006: 22°C2007: 14°C2008: 28°C2009: 18°C2010: 19°C2011: 26°C2012: 24°C2013: 22°C2014: 18°C2015: 19°C2016: 19°C2017: 20°C2018: 21°C2019: 21°C2020: 25°C2021: 21°C2022: 23°C2023: 23°C2024: 22°C2025: 23°C 2026 forecast: 31°C current forecast 31°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 20°C by day. The coolest year was 2007 (14°C) and the warmest was 2008 (28°C). The current forecast averages 31°C - higher than in 100% 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 - Nikšic

Heatorange level
from 4 Sept, 12:00 to 6 Sept, 23:59
Areas: Continental and Mountains
High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.
Fire riskorange level
from 5 Sept, 00:01 to 6 Sept, 23:59
Areas: Continental and Mountains
High fire risk. Be careful with fire and follow local bans.
Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.

14-day forecast - Nikšic

Nikšic - 14-day weather forecast infographic

Day-by-day forecast for Nikšic

Saturday5 September 2026
☀️33°clear sky
sunrise 06:13 · sunset 19:13 · night 20° · evening 31° · rain 30.33 mm · humidity 18% · wind 4 m/s · clouds 3%
Sunday6 September 2026
☀️31°clear sky
sunrise 06:14 · sunset 19:11 · night 19° · evening 31° · rain 7.11 mm · humidity 26% · wind 3 m/s · clouds 100%
Monday7 September 2026
☀️33°clear sky
sunrise 06:15 · sunset 19:09 · night 20° · evening 31° · rain 5.58 mm · humidity 20% · wind 6 m/s · clouds 1%
Tuesday8 September 2026
🌧️31°light rain
sunrise 06:16 · sunset 19:07 · night 18° · evening 21° · rain 0.89 mm · humidity 24% · wind 5 m/s · clouds 2%
Wednesday9 September 2026
🌧️30°light rain
sunrise 06:17 · sunset 19:06 · night 18° · evening 30° · rain 0.81 mm · humidity 26% · wind 5 m/s · clouds 13%
Thursday10 September 2026
🌧️31°light rain
sunrise 06:18 · sunset 19:04 · night 16° · evening 30° · rain 3.78 mm · humidity 28% · wind 5 m/s · clouds 5%
Friday11 September 2026
🌧️29°light rain
sunrise 06:19 · sunset 19:02 · night 18° · evening 24° · rain 2.67 mm · humidity 36% · wind 3 m/s · clouds 14%
Saturday12 September 2026
☀️27°clear sky
sunrise 06:20 · sunset 19:00 · night 17° · evening 27° · rain 15.78 mm · humidity 40% · wind 4 m/s · clouds 9%
Sunday13 September 2026
🌧️27°light rain
sunrise 06:21 · sunset 18:59 · night 17° · evening 25° · rain 0.39 mm · humidity 32% · wind 5 m/s · clouds 11%
Monday14 September 2026
🌧️26°light rain
sunrise 06:22 · sunset 18:57 · night 17° · evening 25° · rain 0.18 mm · humidity 45% · wind 3 m/s · clouds 38%
Tuesday15 September 2026
☀️27°clear sky
sunrise 06:23 · sunset 18:55 · night 19° · evening 28° · rain 0.99 mm · humidity 37% · wind 4 m/s · clouds 21%
Wednesday16 September 2026
☀️29°clear sky
sunrise 06:24 · sunset 18:53 · night 19° · evening 29° · rain 0.48 mm · humidity 32% · wind 5 m/s · clouds 96%
Thursday17 September 2026
🌧️31°light rain
sunrise 06:25 · sunset 18:51 · night 19° · evening 23° · rain 0.45 mm · humidity 28% · wind 3 m/s · clouds 5%
Friday18 September 2026
☀️31°clear sky
sunrise 06:27 · sunset 18:50 · night 20° · evening 31° · humidity 22% · wind 3 m/s · clouds 9%
Saturday19 September 2026
☁️31°overcast clouds
sunrise 06:28 · sunset 18:48 · night 20° · evening 31° · humidity 17% · wind 4 m/s · clouds 99%
Sunday20 September 2026
☀️32°clear sky
sunrise 06:29 · sunset 18:46 · night 22° · evening 31° · humidity 19% · wind 2 m/s · clouds 5%

UV index in Nikšic - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTNikšic03681111+6.5UV HIGHtoday, daily maxSPF 30-50, a hat and sunglasses are a must. Betterstay in shade between 11:00 and 15:00.Unprotected fair skin may burn in about 30 min7Sat5.096Sun6.096Mon7.096Tue8.096Wed9.097Thu10.094Fri11.096Sat12.096Sun13.092Mon14.095Tue15.094Wed16.093Thu17.091Fri18.094Sat19.093Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Nikšic is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Pollen in Nikšic - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTNikšicHighest pollen today: Ragweed33 grains/m³ · high leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses3332Ragweed3324253nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Nikšic - about 33 grains/m³, 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.
Upcoming public holidays in Montenegro: New Year's Day — 1 January · New Year's Day — 2 January · Labour Day — 1 May.

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FAQ - Nikšic weather

What is the weather like in Nikšic today?
Today it is about 33° during the day and 20° at night, clear sky.
How far ahead can I check the forecast for Nikšic?
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.