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Weather in La Serena - 14-day forecast

Detailed weather forecast for La Serena, Chile: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in La Serena
today☀️ 21°💧 0.7 mm
Sun☀️ 20°night 14°
Mon☀️ 18°night 14°
Tue☀️ 18°night 15°
Wed☁️ 17°night 15°
Thu☁️ 18°💧 0.5 mm
Fri☀️ 17°night 14°
Sat🌤️ 21°night 17°
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

Wednesday 9 Sept in La Serena, the forecast high is 17°C. Typical daytime temperatures at this time of year range from 18°C to 23°C, so it will be cooler than usual. It is cooler than 86% of similar days.

21°Cnear normal
usually 18°C–22°C
night: exceptionally warm rain: exceptionally wet wind: exceptionally light
20°Cnear normal
usually 18°C–22°C
night: exceptionally warm rain: typical rainfall wind: exceptionally light
18°Ccooler than usual
usually 18°C–22°C
cooler than 74% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
18°Ccooler than usual
usually 18°C–23°C
cooler than 79% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
17°Ccooler than usual
usually 18°C–23°C
cooler than 86% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
18°Ccooler than usual
usually 18°C–23°C
cooler than 82% of similar days
night: exceptionally warm rain: exceptionally wet wind: exceptionally light
17°Ccooler than usual
usually 18°C–23°C
cooler than 84% of similar days
night: exceptionally warm rain: typical rainfall 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 →
10°20°30° 1981: 20°C1982: 22°C1983: 21°C1984: 21°C1985: 20°C1986: 23°C1987: 19°C1988: 20°C1989: 17°C1990: 23°C1991: 23°C1992: 20°C1993: 20°C1994: 25°C1995: 20°C1996: 22°C1997: 19°C1998: 19°C1999: 19°C2000: 18°C2001: 19°C2002: 20°C2003: 19°C2004: 20°C2005: 21°C2006: 22°C2007: 20°C2008: 19°C2009: 19°C2010: 22°C2011: 21°C2012: 19°C2013: 24°C2014: 20°C2015: 20°C2016: 23°C2017: 17°C2018: 21°C2019: 17°C2020: 21°C2021: 19°C2022: 19°C2023: 22°C2024: 24°C2025: 21°C 2026 forecast: 18°C current forecast 18°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 1989 (17°C) and the warmest was 1994 (25°C). The current forecast averages 18°C - lower than in 91% 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.

14-day forecast - La Serena

La Serena - 14-day weather forecast infographic

Day-by-day forecast for La Serena

Saturday5 September 2026
☀️21°clear sky
sunrise 06:56 · sunset 18:32 · night 14° · evening 18° · rain 0.66 mm · humidity 54% · wind 3 m/s · clouds 8%
Sunday6 September 2026
☀️20°clear sky
sunrise 07:55 · sunset 19:33 · night 14° · evening 16° · humidity 62% · wind 3 m/s · clouds 3%
Monday7 September 2026
☀️18°clear sky
sunrise 07:53 · sunset 19:33 · night 14° · evening 15° · humidity 59% · wind 3 m/s · clouds 9%
Tuesday8 September 2026
☀️18°clear sky
sunrise 07:52 · sunset 19:34 · night 15° · evening 17° · humidity 58% · wind 3 m/s · clouds 100%
Wednesday9 September 2026
☁️17°overcast clouds
sunrise 07:51 · sunset 19:34 · night 15° · evening 17° · humidity 60% · wind 3 m/s · clouds 89%
Thursday10 September 2026
☁️18°overcast clouds
sunrise 07:50 · sunset 19:35 · night 15° · evening 16° · rain 0.48 mm · humidity 64% · wind 3 m/s · clouds 100%
Friday11 September 2026
☀️17°clear sky
sunrise 07:48 · sunset 19:35 · night 14° · evening 17° · humidity 64% · wind 3 m/s · clouds 5%
Saturday12 September 2026
🌤️21°scattered clouds
sunrise 07:47 · sunset 19:36 · night 17° · evening 20° · humidity 45% · wind 2 m/s · clouds 45%
Sunday13 September 2026
☁️21°overcast clouds
sunrise 07:46 · sunset 19:36 · night 17° · evening 21° · rain 0.15 mm · humidity 55% · wind 2 m/s · clouds 100%
Monday14 September 2026
🌤️26°scattered clouds
sunrise 07:45 · sunset 19:37 · night 21° · evening 23° · humidity 24% · wind 2 m/s · clouds 46%
Tuesday15 September 2026
☁️23°overcast clouds
sunrise 07:44 · sunset 19:37 · night 17° · evening 19° · humidity 44% · wind 3 m/s · clouds 100%
Wednesday16 September 2026
🌤️19°scattered clouds
sunrise 07:42 · sunset 19:38 · night 16° · evening 18° · humidity 68% · wind 3 m/s · clouds 33%
Thursday17 September 2026
☁️20°overcast clouds
sunrise 07:41 · sunset 19:38 · night 17° · evening 19° · humidity 64% · wind 4 m/s · clouds 93%
Friday18 September 2026
☁️19°overcast clouds
sunrise 07:40 · sunset 19:39 · night 15° · evening 19° · humidity 72% · wind 3 m/s · clouds 100%
Saturday19 September 2026
☀️18°clear sky
sunrise 07:39 · sunset 19:39 · night 15° · evening 16° · humidity 72% · wind 4 m/s · clouds 6%

UV index in La Serena - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTLa Serena03681111+6.6UV 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 min7Sat5.097Sun6.097Mon7.097Tue8.096Wed9.097Thu10.097Fri11.097Sat12.097Sun13.097Mon14.097Tue15.096Wed16.097Thu17.097Fri18.097Sat19.097Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in La Serena 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.

Sea temperature - La Serena

Water today
15°C
Week avg
16°C
Waves today
2 m
How's the water?
very cold
16-day sea temperature forecast:
5.09 15°C6.09 16°C7.09 16°C8.09 16°C9.09 16°C10.09 16°C11.09 16°C12.09 15°C13.09 15°C
Average sea temperature through the year:
Jan 18°CFeb 19°CMar 18°CApr 16°CMay 14°CJun 14°CJul 14°CAug 14°CSep 14°COct 15°CNov 16°CDec 17°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Upcoming public holidays in Chile: Independence Day — 18 September · Army Day — 19 September · Columbus Day — 12 October.

Nearby and related places

CoquimboSantiagoOsornoIquiqueTemucoChillán

FAQ - La Serena weather

What is the weather like in La Serena today?
Today it is about 21° during the day and 14° at night, clear sky.
How far ahead can I check the forecast for La Serena?
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.