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Weather in Athens - 14-day forecast

Detailed weather forecast for Athens, Greece: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Athens
today☀️ 32°night 28°
Sun☀️ 37°💧 0.4 mm
Mon☀️ 34°night 26°
Tue☀️ 31°night 25°
Wed☀️ 30°night 25°
Thu☀️ 29°💧 0.2 mm
Fri☀️ 29°💧 0.8 mm
Sat🌧️ 28°💧 0.3 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

Sunday 6 Sept in Athens, the forecast high is 37°C. Typical daytime temperatures at this time of year range from 27°C to 32°C, so it will be exceptionally warm. It is warmer than 97% of similar days.

32°Cwarmer than usual
usually 28°C–32°C
warmer than 80% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
37°Cexceptionally warm
usually 27°C–32°C
warmer than 97% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
34°Cexceptionally warm
usually 27°C–32°C
warmer than 93% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
31°Cwarmer than usual
usually 27°C–32°C
warmer than 72% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
30°Cnear normal
usually 27°C–32°C
night: exceptionally warm rain: typical rainfall wind: typical
29°Cnear normal
usually 27°C–31°C
night: exceptionally warm rain: more rain than usual wind: lighter than usual
29°Cnear normal
usually 27°C–31°C
night: exceptionally warm rain: more rain than usual wind: exceptionally light

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 →
20°30°40° 1981: 27°C1982: 29°C1983: 28°C1984: 31°C1985: 28°C1986: 28°C1987: 28°C1988: 28°C1989: 30°C1990: 29°C1991: 27°C1992: 27°C1993: 30°C1994: 32°C1995: 31°C1996: 27°C1997: 28°C1998: 28°C1999: 28°C2000: 27°C2001: 29°C2002: 26°C2003: 28°C2004: 25°C2005: 29°C2006: 29°C2007: 28°C2008: 32°C2009: 27°C2010: 30°C2011: 31°C2012: 30°C2013: 31°C2014: 29°C2015: 33°C2016: 29°C2017: 31°C2018: 31°C2019: 30°C2020: 30°C2021: 26°C2022: 30°C2023: 26°C2024: 32°C2025: 32°C 2026 forecast: 32°C current forecast 32°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 2004 (25°C) and the warmest was 2015 (33°C). The current forecast averages 32°C - higher than in 93% 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 - Athens

No active weather warnings for Athens (region: ATTIKI). The national weather service is not forecasting dangerous conditions.

14-day forecast - Athens

Athens - 14-day weather forecast infographic

Athens 30 & 45-day weather - long-range outlook

Next 16 days · forecast
29°
around 26° at night · days with rain: 2
Weeks 3-4 · avg for September
29°
around 21° at night · rain chance 5%
Weeks 5-7 · avg for October
24°
around 16° at night · rain chance 8%
The 30 & 45-day outlook for Athens: the next 16 days are a numerical forecast updated daily - on average 29° by day and 26° at night. Further out we rely on multi-year climate averages: around 29° in September, and about 24° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Athens

Saturday5 September 2026
☀️32°clear sky
sunrise 06:58 · sunset 19:49 · night 28° · evening 31° · humidity 24% · wind 7 m/s · clouds 12%
Sunday6 September 2026
☀️37°clear sky
sunrise 06:59 · sunset 19:48 · night 30° · evening 36° · rain 0.42 mm · humidity 22% · wind 3 m/s · clouds 35%
Monday7 September 2026
☀️34°clear sky
sunrise 07:00 · sunset 19:46 · night 26° · evening 30° · humidity 23% · wind 8 m/s · clouds 13%
Tuesday8 September 2026
☀️31°clear sky
sunrise 07:00 · sunset 19:45 · night 25° · evening 31° · humidity 30% · wind 6 m/s
Wednesday9 September 2026
☀️30°clear sky
sunrise 07:01 · sunset 19:43 · night 25° · evening 29° · humidity 31% · wind 6 m/s · clouds 2%
Thursday10 September 2026
☀️29°clear sky
sunrise 07:02 · sunset 19:42 · night 26° · evening 30° · rain 0.15 mm · humidity 37% · wind 4 m/s · clouds 6%
Friday11 September 2026
☀️29°clear sky
sunrise 07:03 · sunset 19:40 · night 26° · evening 31° · rain 0.75 mm · humidity 35% · wind 3 m/s · clouds 32%
Saturday12 September 2026
🌧️28°light rain
sunrise 07:04 · sunset 19:39 · night 26° · evening 27° · rain 0.3 mm · humidity 50% · wind 6 m/s · clouds 78%
Sunday13 September 2026
☀️28°clear sky
sunrise 07:05 · sunset 19:37 · night 26° · evening 27° · rain 1.5 mm · humidity 54% · wind 4 m/s · clouds 3%
Monday14 September 2026
☀️29°clear sky
sunrise 07:06 · sunset 19:35 · night 25° · evening 28° · rain 0.87 mm · humidity 49% · wind 4 m/s · clouds 51%
Tuesday15 September 2026
☀️27°clear sky
sunrise 07:06 · sunset 19:34 · night 25° · evening 27° · humidity 57% · wind 5 m/s · clouds 4%
Wednesday16 September 2026
☀️28°clear sky
sunrise 07:07 · sunset 19:32 · night 26° · evening 28° · humidity 53% · wind 6 m/s · clouds 2%
Thursday17 September 2026
☁️29°overcast clouds
sunrise 07:08 · sunset 19:31 · night 27° · evening 30° · humidity 44% · wind 5 m/s · clouds 98%
Friday18 September 2026
☀️29°clear sky
sunrise 07:09 · sunset 19:29 · night 25° · evening 28° · humidity 40% · wind 5 m/s · clouds 37%
Saturday19 September 2026
☀️28°clear sky
sunrise 07:10 · sunset 19:28 · night 24° · evening 26° · humidity 43% · wind 4 m/s · clouds 49%
Sunday20 September 2026
🌧️24°light rain
sunrise 07:11 · sunset 19:26 · night 23° · evening 23° · rain 7.17 mm · humidity 58% · wind 3 m/s

UV index in Athens - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTAthens03681111+7.2UV 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 min7Sat5.097Sun6.097Mon7.097Tue8.097Wed9.097Thu10.097Fri11.097Sat12.097Sun13.097Mon14.097Tue15.094Wed16.097Thu17.097Fri18.097Sat19.097Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Athens 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 Athens - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTAthensHighest pollen today: Ragweed17 grains/m³ · moderate leveltoday5.09tomorrow6.09Mon7.09Tue8.09Ragweed1710114nonelowmoderatehighvery highoff season: alder, birch, grasses, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Athens - about 17 grains/m³, moderate level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Sea temperature - Athens

Water today
28°C
Week avg
28°C
Waves today
0.2 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 28°C6.09 28°C7.09 28°C8.09 28°C9.09 28°C10.09 28°C11.09 28°C12.09 27°C13.09 27°C
Average sea temperature through the year:
Jan 17°CFeb 16°CMar 16°CApr 18°CMay 20°CJun 24°CJul 27°CAug 28°CSep 26°COct 24°CNov 22°CDec 18°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Athens weather through the year

Athens - annual climate
Upcoming public holidays in Greece: Ochi Day — 28 October · Christmas Day — 25 December · St. Stephen's Day — 26 December.

Nearby and related places

CreteAndrosKefaloniaZakynthosLesbosThessaloniki

FAQ - Athens weather

What is the weather like in Athens today?
Today it is about 32° during the day and 28° at night, clear sky.
How far ahead can I check the forecast for Athens?
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.