worldweather

Weather in Sihanoukville - 14-day forecast

Detailed weather forecast for Sihanoukville, Cambodia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Sihanoukville
today🌧️ 29°💧 7.5 mm
Sun🌧️ 28°💧 16.1 mm
Mon🌧️ 28°💧 10.8 mm
Tue🌧️ 28°💧 32.3 mm
Wed🌧️ 26°💧 51.5 mm
Thu🌧️ 26°💧 148.4 mm
Fri🌧️ 26°💧 82.3 mm
Sat🌧️ 27°💧 90.8 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

Friday 11 Sept in Sihanoukville, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 27°C to 29°C, so it will be exceptionally cool. It is cooler than 99% of similar days.

29°Cexceptionally warm
usually 27°C–29°C
warmer than 92% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
28°Cnear normal
usually 27°C–29°C
night: exceptionally warm rain: more rain than usual wind: exceptionally strong
28°Cnear normal
usually 27°C–29°C
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
28°Cnear normal
usually 27°C–29°C
night: exceptionally warm rain: more rain than usual wind: exceptionally strong
26°Cexceptionally cool
usually 27°C–29°C
cooler than 98% of similar days
night: exceptionally warm rain: exceptionally wet wind: exceptionally strong
26°Cexceptionally cool
usually 27°C–29°C
cooler than 98% of similar days
night: near normal rain: exceptionally wet wind: exceptionally strong
26°Cexceptionally cool
usually 27°C–29°C
cooler than 99% of similar days
night: cooler than usual rain: exceptionally wet wind: exceptionally strong

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

From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1986 (27°C) and the warmest was 2017 (30°C). The current forecast averages 28°C - lower than in 71% 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 - Sihanoukville

Sihanoukville - 14-day weather forecast infographic

Day-by-day forecast for Sihanoukville

Saturday5 September 2026
🌧️29°light rain
sunrise 05:56 · sunset 18:13 · night 29° · evening 29° · rain 7.49 mm · humidity 76% · wind 9 m/s · clouds 100%
Sunday6 September 2026
🌧️28°moderate rain
sunrise 05:56 · sunset 18:13 · night 28° · evening 28° · rain 16.14 mm · humidity 81% · wind 7 m/s · clouds 100%
Monday7 September 2026
🌧️28°moderate rain
sunrise 05:56 · sunset 18:12 · night 29° · evening 28° · rain 10.84 mm · humidity 76% · wind 8 m/s · clouds 100%
Tuesday8 September 2026
🌧️28°moderate rain
sunrise 05:56 · sunset 18:11 · night 28° · evening 28° · rain 32.26 mm · humidity 80% · wind 8 m/s · clouds 96%
Wednesday9 September 2026
🌧️26°moderate rain
sunrise 05:56 · sunset 18:11 · night 28° · evening 27° · rain 51.53 mm · humidity 89% · wind 8 m/s · clouds 100%
Thursday10 September 2026
🌧️26°heavy rain
sunrise 05:56 · sunset 18:10 · night 26° · evening 26° · rain 148.36 mm · humidity 90% · wind 12 m/s · clouds 100%
Friday11 September 2026
🌧️26°heavy rain
sunrise 05:56 · sunset 18:09 · night 26° · evening 26° · rain 82.29 mm · humidity 88% · wind 9 m/s · clouds 100%
Saturday12 September 2026
🌧️27°heavy rain
sunrise 05:56 · sunset 18:09 · night 28° · evening 26° · rain 90.78 mm · humidity 84% · wind 12 m/s · clouds 100%
Sunday13 September 2026
🌧️28°moderate rain
sunrise 05:56 · sunset 18:08 · night 27° · evening 27° · rain 27.33 mm · humidity 78% · wind 7 m/s · clouds 98%
Monday14 September 2026
🌧️27°moderate rain
sunrise 05:56 · sunset 18:08 · night 27° · evening 27° · rain 35.07 mm · humidity 83% · wind 7 m/s · clouds 100%
Tuesday15 September 2026
🌧️28°moderate rain
sunrise 05:56 · sunset 18:07 · night 28° · evening 27° · rain 46.41 mm · humidity 81% · wind 12 m/s · clouds 100%
Wednesday16 September 2026
🌧️28°moderate rain
sunrise 05:55 · sunset 18:06 · night 28° · evening 28° · rain 27.15 mm · humidity 77% · wind 11 m/s · clouds 95%
Thursday17 September 2026
🌧️28°moderate rain
sunrise 05:55 · sunset 18:06 · night 28° · evening 28° · rain 29.97 mm · humidity 80% · wind 12 m/s · clouds 100%
Friday18 September 2026
🌧️27°moderate rain
sunrise 05:55 · sunset 18:05 · night 28° · evening 28° · rain 36.24 mm · humidity 84% · wind 13 m/s · clouds 100%
Saturday19 September 2026
🌧️28°moderate rain
sunrise 05:55 · sunset 18:04 · night 28° · evening 27° · rain 34.92 mm · humidity 81% · wind 12 m/s · clouds 100%
Sunday20 September 2026
🌧️28°moderate rain
sunrise 05:55 · sunset 18:04 · night 27° · evening 28° · rain 28.35 mm · humidity 80% · wind 11 m/s · clouds 100%

UV index in Sihanoukville - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTSihanoukville03681111+8.9UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 20 min9Sat5.099Sun6.098Mon7.099Tue8.094Wed9.091Thu10.091Fri11.092Sat12.091Sun13.094Mon14.098Tue15.099Wed16.092Thu17.092Fri18.099Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Sihanoukville is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Sea temperature - Sihanoukville

Water today
30°C
Week avg
29°C
Waves today
0.8 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 29°C10.09 29°C11.09 29°C12.09 29°C13.09 29°C
Average sea temperature through the year:
Jan 29°CFeb 30°CMar 31°CApr 32°CMay 32°CJun 30°CJul 30°CAug 30°CSep 29°COct 30°CNov 30°CDec 30°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Nearby and related places

Koh KongPhnom PenhSisŏphŏnSiem ReapBattambangPrey Vêng

FAQ - Sihanoukville weather

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