worldweather

Weather in Jaffna - 14-day forecast

Detailed weather forecast for Jaffna, Sri Lanka: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Jaffna
today☁️ 29°💧 0.9 mm
Sun☁️ 29°💧 0.2 mm
Mon☁️ 29°💧 2.2 mm
Tue☁️ 29°💧 0.2 mm
Wed☁️ 29°💧 1 mm
Thu☁️ 29°💧 0.2 mm
Fri🌧️ 30°💧 13.4 mm
Sat🌧️ 29°💧 10.2 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

Thursday 10 Sept in Jaffna, the forecast high is 29°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be exceptionally cool. It is cooler than 92% of similar days.

29°Ccooler than usual
usually 29°C–31°C
cooler than 80% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
29°Ccooler than usual
usually 29°C–31°C
cooler than 75% of similar days
night: exceptionally warm rain: less rain than usual wind: stronger than usual
29°Ccooler than usual
usually 29°C–31°C
cooler than 82% of similar days
night: exceptionally warm rain: more rain than usual wind: stronger than usual
29°Ccooler than usual
usually 29°C–31°C
cooler than 71% of similar days
night: exceptionally warm rain: less rain than usual wind: exceptionally strong
29°Cnear normal
usually 29°C–31°C
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
29°Cexceptionally cool
usually 29°C–31°C
cooler than 92% of similar days
night: exceptionally warm rain: less rain than usual wind: stronger than usual
30°Cnear normal
usually 29°C–31°C
night: near normal 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 →
25°30°35° 1981: 29°C1982: 31°C1983: 29°C1984: 30°C1985: 30°C1986: 30°C1987: 31°C1988: 29°C1989: 30°C1990: 30°C1991: 31°C1992: 29°C1993: 30°C1994: 30°C1995: 29°C1996: 29°C1997: 30°C1998: 30°C1999: 30°C2000: 30°C2001: 31°C2002: 31°C2003: 30°C2004: 29°C2005: 29°C2006: 29°C2007: 30°C2008: 30°C2009: 31°C2010: 29°C2011: 30°C2012: 31°C2013: 29°C2014: 30°C2015: 29°C2016: 31°C2017: 30°C2018: 31°C2019: 31°C2020: 30°C2021: 30°C2022: 30°C2023: 31°C2024: 31°C2025: 31°C 2026 forecast: 29°C current forecast 29°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1983 (29°C) and the warmest was 2001 (31°C). The current forecast averages 29°C - lower than in 78% 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 - Jaffna

Jaffna - 14-day weather forecast infographic

Day-by-day forecast for Jaffna

Saturday5 September 2026
☁️29°broken clouds
sunrise 06:01 · sunset 18:17 · night 28° · evening 28° · rain 0.85 mm · humidity 76% · wind 10 m/s · clouds 58%
Sunday6 September 2026
☁️29°overcast clouds
sunrise 06:01 · sunset 18:16 · night 28° · evening 28° · rain 0.19 mm · humidity 76% · wind 11 m/s · clouds 96%
Monday7 September 2026
☁️29°overcast clouds
sunrise 06:01 · sunset 18:16 · night 28° · evening 28° · rain 2.15 mm · humidity 76% · wind 11 m/s · clouds 100%
Tuesday8 September 2026
☁️29°broken clouds
sunrise 06:00 · sunset 18:15 · night 28° · evening 28° · rain 0.18 mm · humidity 74% · wind 11 m/s · clouds 82%
Wednesday9 September 2026
☁️29°broken clouds
sunrise 06:00 · sunset 18:14 · night 28° · evening 28° · rain 0.99 mm · humidity 73% · wind 11 m/s · clouds 68%
Thursday10 September 2026
☁️29°overcast clouds
sunrise 06:00 · sunset 18:14 · night 28° · evening 28° · rain 0.21 mm · humidity 76% · wind 10 m/s · clouds 100%
Friday11 September 2026
🌧️30°moderate rain
sunrise 06:00 · sunset 18:13 · night 27° · evening 28° · rain 13.41 mm · humidity 71% · wind 9 m/s · clouds 100%
Saturday12 September 2026
🌧️29°moderate rain
sunrise 06:00 · sunset 18:13 · night 27° · evening 28° · rain 10.2 mm · humidity 70% · wind 9 m/s · clouds 100%
Sunday13 September 2026
🌧️29°moderate rain
sunrise 06:00 · sunset 18:12 · night 27° · evening 28° · rain 21.93 mm · humidity 70% · wind 5 m/s · clouds 98%
Monday14 September 2026
🌧️27°light rain
sunrise 06:00 · sunset 18:11 · night 27° · evening 26° · rain 6.18 mm · humidity 76% · wind 7 m/s · clouds 100%
Tuesday15 September 2026
🌧️28°moderate rain
sunrise 06:00 · sunset 18:11 · night 28° · evening 28° · rain 13.29 mm · humidity 71% · wind 8 m/s · clouds 100%
Wednesday16 September 2026
🌧️29°light rain
sunrise 06:00 · sunset 18:10 · night 28° · evening 28° · rain 5.58 mm · humidity 67% · wind 10 m/s · clouds 100%
Thursday17 September 2026
🌧️29°light rain
sunrise 06:00 · sunset 18:09 · night 28° · evening 28° · rain 4.29 mm · humidity 72% · wind 11 m/s · clouds 40%
Friday18 September 2026
🌧️29°light rain
sunrise 06:00 · sunset 18:09 · night 28° · evening 28° · rain 0.9 mm · humidity 77% · wind 12 m/s · clouds 82%
Saturday19 September 2026
🌧️29°light rain
sunrise 05:59 · sunset 18:08 · night 28° · evening 28° · rain 2.16 mm · humidity 77% · wind 10 m/s · clouds 98%
Sunday20 September 2026
🌧️29°light rain
sunrise 05:59 · sunset 18:08 · night 28° · evening 28° · rain 0.24 mm · humidity 73% · wind 10 m/s · clouds 100%

UV index in Jaffna - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTJaffna03681111+8.6UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min9Sat5.099Sun6.098Mon7.099Tue8.099Wed9.099Thu10.098Fri11.097Sat12.098Sun13.093Mon14.097Tue15.099Wed16.099Thu17.098Fri18.096Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Jaffna is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Sea temperature - Jaffna

Water today
30°C
Week avg
30°C
Waves today
0.6 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 30°C6.09 30°C7.09 30°C8.09 30°C9.09 30°C10.09 30°C11.09 30°C12.09 30°C13.09 30°C
Average sea temperature through the year:
Jan 27°CFeb 28°CMar 30°CApr 32°CMay 31°CJun 30°CJul 30°CAug 30°CSep 30°COct 30°CNov 29°CDec 28°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Upcoming public holidays in Sri Lanka: Binara Full Moon Poya Day — 26 September · Vap Full Moon Poya Day — 25 October · Deepavali — 8 November. Full calendar and travel notes

Nearby and related places

AnuradhapuraTrincomaleeKandyNegomboGalleMataraColomboBatticaloa

FAQ - Jaffna weather

What is the weather like in Jaffna today?
Today it is about 29° during the day and 28° at night, broken clouds.
How far ahead can I check the forecast for Jaffna?
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.