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Weather in Karlovy Vary - 14-day forecast

Detailed weather forecast for Karlovy Vary, Czech Republic: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Karlovy Vary
today🌧️ 19°💧 3.6 mm
Sun🌤️ 23°💧 0.3 mm
Mon☁️ 23°💧 3 mm
Tue🌧️ 27°💧 1.3 mm
Wed🌧️ 19°💧 0.6 mm
Thu☁️ 19°💧 2.5 mm
Fri🌧️ 19°💧 18.1 mm
Sat🌧️ 17°💧 0.6 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

Tuesday 8 Sept in Karlovy Vary, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 16°C to 24°C, so it will be exceptionally warm. It is warmer than 93% of similar days.

19°Cnear normal
usually 17°C–25°C
night: warmer than usual rain: more rain than usual wind: stronger than usual
23°Cnear normal
usually 17°C–25°C
night: exceptionally warm rain: typical rainfall wind: exceptionally light
23°Cnear normal
usually 17°C–25°C
night: exceptionally warm rain: more rain than usual wind: exceptionally light
27°Cexceptionally warm
usually 16°C–24°C
warmer than 93% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
19°Cnear normal
usually 16°C–24°C
night: warmer than usual rain: typical rainfall wind: lighter than usual
19°Cnear normal
usually 16°C–24°C
night: exceptionally warm rain: more rain than usual wind: lighter than usual
19°Cnear normal
usually 16°C–24°C
night: exceptionally warm rain: exceptionally wet wind: typical

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°20°30° 1981: 21°C1982: 23°C1983: 20°C1984: 14°C1985: 15°C1986: 17°C1987: 19°C1988: 19°C1989: 20°C1990: 16°C1991: 21°C1992: 19°C1993: 19°C1994: 20°C1995: 19°C1996: 15°C1997: 21°C1998: 21°C1999: 24°C2000: 20°C2001: 15°C2002: 21°C2003: 21°C2004: 23°C2005: 25°C2006: 23°C2007: 15°C2008: 24°C2009: 21°C2010: 17°C2011: 21°C2012: 25°C2013: 22°C2014: 22°C2015: 17°C2016: 26°C2017: 19°C2018: 24°C2019: 18°C2020: 22°C2021: 23°C2022: 22°C2023: 27°C2024: 25°C2025: 21°C 2026 forecast: 21°C current forecast 21°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 1984 (14°C) and the warmest was 2023 (27°C). The current forecast averages 21°C - higher than in 62% 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 - Karlovy Vary

No active weather warnings for Karlovy Vary (region: Karlovarský). The national weather service is not forecasting dangerous conditions.

14-day forecast - Karlovy Vary

Karlovy Vary - 14-day weather forecast infographic

Karlovy Vary 30 & 45-day weather - long-range outlook

Next 16 days · forecast
20°
around 14° at night · days with rain: 9
Weeks 3-4 · avg for September
17°
around 7° at night · rain chance 52%
Weeks 5-7 · avg for October
11°
around 3° at night · rain chance 49%
The 30 & 45-day outlook for Karlovy Vary: the next 16 days are a numerical forecast updated daily - on average 20° by day and 14° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 11° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Karlovy Vary

Saturday5 September 2026
🌧️19°moderate rain
sunrise 06:28 · sunset 19:45 · night 13° · evening 19° · rain 3.61 mm · humidity 44% · wind 7 m/s · clouds 21%
Sunday6 September 2026
🌤️23°a few clouds
sunrise 06:30 · sunset 19:43 · night 14° · evening 20° · rain 0.33 mm · humidity 35% · wind 3 m/s · clouds 18%
Monday7 September 2026
☁️23°overcast clouds
sunrise 06:31 · sunset 19:41 · night 17° · evening 21° · rain 3.03 mm · humidity 43% · wind 3 m/s · clouds 100%
Tuesday8 September 2026
🌧️27°light rain
sunrise 06:33 · sunset 19:39 · night 17° · evening 18° · rain 1.25 mm · humidity 42% · wind 5 m/s · clouds 96%
Wednesday9 September 2026
🌧️19°light rain
sunrise 06:34 · sunset 19:36 · night 13° · evening 15° · rain 0.59 mm · humidity 54% · wind 4 m/s · clouds 100%
Thursday10 September 2026
☁️19°overcast clouds
sunrise 06:36 · sunset 19:34 · night 15° · evening 16° · rain 2.46 mm · humidity 43% · wind 4 m/s · clouds 100%
Friday11 September 2026
🌧️19°heavy rain
sunrise 06:37 · sunset 19:32 · night 14° · evening 14° · rain 18.12 mm · humidity 50% · wind 6 m/s · clouds 100%
Saturday12 September 2026
🌧️17°light rain
sunrise 06:39 · sunset 19:30 · night 11° · evening 13° · rain 0.63 mm · humidity 52% · wind 6 m/s · clouds 70%
Sunday13 September 2026
☀️16°clear sky
sunrise 06:40 · sunset 19:28 · night 10° · evening 12° · rain 1.71 mm · humidity 49% · wind 6 m/s · clouds 7%
Monday14 September 2026
☁️19°broken clouds
sunrise 06:42 · sunset 19:25 · night 11° · evening 13° · rain 2.31 mm · humidity 40% · wind 1 m/s · clouds 55%
Tuesday15 September 2026
🌤️22°scattered clouds
sunrise 06:43 · sunset 19:23 · night 15° · evening 17° · rain 0.27 mm · humidity 31% · wind 2 m/s · clouds 44%
Wednesday16 September 2026
🌧️20°moderate rain
sunrise 06:45 · sunset 19:21 · night 14° · evening 16° · rain 4.77 mm · humidity 71% · wind 4 m/s · clouds 95%
Thursday17 September 2026
☁️21°overcast clouds
sunrise 06:46 · sunset 19:19 · night 15° · evening 16° · rain 4.26 mm · humidity 50% · wind 3 m/s · clouds 95%
Friday18 September 2026
☀️25°clear sky
sunrise 06:48 · sunset 19:17 · night 16° · evening 18° · rain 0.24 mm · humidity 41% · wind 2 m/s · clouds 8%
Saturday19 September 2026
☁️12°overcast clouds
sunrise 06:50 · sunset 19:14 · night 6° · evening 8° · humidity 51% · wind 4 m/s · clouds 98%
Sunday20 September 2026
🌤️18°scattered clouds
sunrise 06:51 · sunset 19:12 · night 18° · evening 18° · humidity 35% · wind 2 m/s · clouds 40%

UV index in Karlovy Vary - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTKarlovy Vary03681111+5.3UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 40 min5Sat5.095Sun6.095Mon7.095Tue8.094Wed9.094Thu10.094Fri11.093Sat12.092Sun13.094Mon14.095Tue15.094Wed16.092Thu17.090Fri18.092Sat19.092Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Karlovy Vary is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Karlovy Vary - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTKarlovy Varytoday5.09tomorrow6.09Mon7.09Tue8.09Grasses--1-Mugwort-232nonelowmoderatehighvery highoff season: alder, birch, olive, ragweed · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05

Karlovy Vary weather through the year

Karlovy Vary - annual climate

Warmest, driest months on average: April, May, June, July.

Upcoming public holidays in Czech Republic: St. Wenceslas Day — 28 September · Independent Czechoslovak State Day — 28 October · Struggle for Freedom and Democracy Day — 17 November.

Nearby and related places

DresdenPragueLeipzigLiberecHavirovOstravaBrno

FAQ - Karlovy Vary weather

What is the weather like in Karlovy Vary today?
Today it is about 19° during the day and 13° at night, moderate rain.
How far ahead can I check the forecast for Karlovy Vary?
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.