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Weather in Wewak - 14-day forecast

Detailed weather forecast for Wewak, Papua New Guinea: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Wewak
today🌤️ 29°💧 1.3 mm
Sun☀️ 29°💧 1.3 mm
Mon🌧️ 30°💧 0.4 mm
Tue🌧️ 29°💧 10.1 mm
Wed🌧️ 27°💧 11.9 mm
Thu🌧️ 28°💧 4.1 mm
Fri🌧️ 27°💧 13.2 mm
Sat🌧️ 27°💧 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

Wednesday 9 Sept in Wewak, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 28°C to 29°C, so it will be exceptionally cool. It is cooler than 97% of similar days.

29°Cwarmer than usual
usually 28°C–29°C
warmer than 78% of similar days
night: cooler than usual rain: typical rainfall wind: typical
29°Cwarmer than usual
usually 28°C–29°C
warmer than 77% of similar days
night: cooler than usual rain: typical rainfall wind: lighter than usual
30°Cexceptionally warm
usually 28°C–29°C
warmer than 96% of similar days
night: near normal rain: less rain than usual wind: typical
29°Cwarmer than usual
usually 28°C–29°C
warmer than 87% of similar days
night: cooler than usual rain: more rain than usual wind: exceptionally light
27°Cexceptionally cool
usually 28°C–29°C
cooler than 97% of similar days
night: exceptionally cool rain: more rain than usual wind: exceptionally light
28°Ccooler than usual
usually 28°C–29°C
cooler than 77% of similar days
night: near normal rain: typical rainfall wind: lighter than usual
27°Cexceptionally cool
usually 28°C–29°C
cooler than 96% of similar days
night: exceptionally cool rain: more rain than usual wind: lighter than usual

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: 28°C1982: 29°C1983: 29°C1984: 28°C1985: 27°C1986: 28°C1987: 29°C1988: 29°C1989: 28°C1990: 28°C1991: 28°C1992: 28°C1993: 29°C1994: 27°C1995: 29°C1996: 28°C1997: 29°C1998: 29°C1999: 28°C2000: 29°C2001: 28°C2002: 29°C2003: 28°C2004: 28°C2005: 27°C2006: 27°C2007: 28°C2008: 29°C2009: 29°C2010: 29°C2011: 28°C2012: 28°C2013: 28°C2014: 28°C2015: 29°C2016: 29°C2017: 29°C2018: 28°C2019: 28°C2020: 29°C2021: 29°C2022: 29°C2023: 29°C2024: 29°C2025: 29°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 1985 (27°C) and the warmest was 2023 (29°C). The current forecast averages 28°C - close to the historical median.

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 - Wewak

Wewak - 14-day weather forecast infographic

Day-by-day forecast for Wewak

Saturday5 September 2026
🌤️29°a few clouds
sunrise 06:23 · sunset 18:26 · night 26° · evening 27° · rain 1.27 mm · humidity 70% · wind 4 m/s · clouds 19%
Sunday6 September 2026
☀️29°clear sky
sunrise 06:22 · sunset 18:26 · night 26° · evening 27° · rain 1.33 mm · humidity 63% · wind 4 m/s · clouds 6%
Monday7 September 2026
🌧️30°light rain
sunrise 06:22 · sunset 18:25 · night 26° · evening 27° · rain 0.43 mm · humidity 64% · wind 5 m/s · clouds 18%
Tuesday8 September 2026
🌧️29°moderate rain
sunrise 06:22 · sunset 18:25 · night 26° · evening 26° · rain 10.1 mm · humidity 67% · wind 3 m/s · clouds 90%
Wednesday9 September 2026
🌧️27°moderate rain
sunrise 06:21 · sunset 18:25 · night 25° · evening 25° · rain 11.93 mm · humidity 85% · wind 2 m/s · clouds 100%
Thursday10 September 2026
🌧️28°light rain
sunrise 06:21 · sunset 18:25 · night 26° · evening 26° · rain 4.13 mm · humidity 74% · wind 4 m/s · clouds 34%
Friday11 September 2026
🌧️27°moderate rain
sunrise 06:20 · sunset 18:24 · night 25° · evening 26° · rain 13.2 mm · humidity 81% · wind 4 m/s · clouds 81%
Saturday12 September 2026
🌧️27°light rain
sunrise 06:20 · sunset 18:24 · night 25° · evening 26° · rain 7.95 mm · humidity 78% · wind 2 m/s · clouds 96%
Sunday13 September 2026
🌧️27°light rain
sunrise 06:19 · sunset 18:24 · night 26° · evening 26° · rain 3.03 mm · humidity 82% · wind 3 m/s · clouds 26%
Monday14 September 2026
🌧️28°light rain
sunrise 06:19 · sunset 18:24 · night 26° · evening 26° · rain 0.45 mm · humidity 70% · wind 3 m/s · clouds 99%
Tuesday15 September 2026
🌧️29°light rain
sunrise 06:18 · sunset 18:23 · night 26° · evening 27° · rain 0.72 mm · humidity 65% · wind 3 m/s · clouds 84%
Wednesday16 September 2026
🌧️28°light rain
sunrise 06:18 · sunset 18:23 · night 27° · evening 27° · rain 0.24 mm · humidity 71% · wind 4 m/s · clouds 49%
Thursday17 September 2026
🌧️27°light rain
sunrise 06:18 · sunset 18:23 · night 26° · evening 26° · rain 2.25 mm · humidity 77% · wind 3 m/s · clouds 40%
Friday18 September 2026
🌧️28°light rain
sunrise 06:17 · sunset 18:23 · night 26° · evening 26° · rain 3.99 mm · humidity 70% · wind 3 m/s · clouds 52%
Saturday19 September 2026
🌧️28°light rain
sunrise 06:17 · sunset 18:22 · night 26° · evening 26° · rain 7.59 mm · humidity 79% · wind 3 m/s · clouds 26%
Sunday20 September 2026
🌧️28°moderate rain
sunrise 06:16 · sunset 18:22 · night 26° · evening 27° · rain 6.87 mm · humidity 79% · wind 3 m/s · clouds 22%

UV index in Wewak - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTWewak03681111+7.7UV 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 25 min8Sat5.099Sun6.099Mon7.099Tue8.099Wed9.099Thu10.099Fri11.098Sat12.097Sun13.097Mon14.098Tue15.099Wed16.099Thu17.099Fri18.098Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Wewak is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Sea temperature - Wewak

Water today
29°C
Week avg
29°C
Waves today
0.5 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 29°C6.09 29°C7.09 29°C8.09 29°C9.09 29°C10.09 28°C11.09 28°C12.09 28°C13.09 29°C
Average sea temperature through the year:
Jan 30°CFeb 29°CMar 30°CApr 31°CMay 31°CJun 30°CJul 30°CAug 30°CSep 30°COct 30°CNov 30°CDec 30°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Upcoming public holidays in Papua New Guinea: Independence Day — 16 September · Christmas Day — 25 December · Boxing Day — 26 December.

Nearby and related places

Mount HagenGorokaLaePort Moresby

FAQ - Wewak weather

What is the weather like in Wewak today?
Today it is about 29° during the day and 26° at night, a few clouds.
How far ahead can I check the forecast for Wewak?
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.