worldweather

Weather in New Plymouth - 14-day forecast

Detailed weather forecast for New Plymouth, New Zealand: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in New Plymouth
today🌧️ 15°💧 1.8 mm
Sun🌧️ 16°💧 5.9 mm
Mon🌧️ 14°💧 20.8 mm
Tue☁️ 14°💧 0.7 mm
Wed☀️ 13°💧 0.7 mm
Thu🌧️ 12°💧 7.6 mm
Fri🌧️ 11°💧 3.2 mm
Sat🌧️ 12°💧 1.9 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 New Plymouth, the forecast high is 16°C. Typical daytime temperatures at this time of year range from 12°C to 14°C, so it will be exceptionally warm. It is warmer than 96% of similar days.

15°Cexceptionally warm
usually 12°C–14°C
warmer than 93% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
16°Cexceptionally warm
usually 12°C–14°C
warmer than 96% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
14°Cwarmer than usual
usually 12°C–14°C
warmer than 81% of similar days
night: warmer than usual rain: exceptionally wet wind: typical
14°Cnear normal
usually 12°C–14°C
night: warmer than usual rain: typical rainfall wind: exceptionally light
13°Cnear normal
usually 12°C–14°C
night: warmer than usual rain: typical rainfall wind: exceptionally light
12°Ccooler than usual
usually 12°C–15°C
cooler than 86% of similar days
night: near normal rain: more rain than usual wind: typical
11°Ccooler than usual
usually 12°C–15°C
cooler than 86% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger 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 →
5°13°20° 1981: 13°C1982: 13°C1983: 15°C1984: 14°C1985: 13°C1986: 12°C1987: 13°C1988: 12°C1989: 15°C1990: 12°C1991: 12°C1992: 10°C1993: 11°C1994: 11°C1995: 12°C1996: 13°C1997: 13°C1998: 13°C1999: 14°C2000: 14°C2001: 15°C2002: 15°C2003: 13°C2004: 13°C2005: 16°C2006: 13°C2007: 12°C2008: 14°C2009: 14°C2010: 14°C2011: 13°C2012: 13°C2013: 13°C2014: 15°C2015: 11°C2016: 12°C2017: 12°C2018: 12°C2019: 13°C2020: 13°C2021: 13°C2022: 12°C2023: 15°C2024: 14°C2025: 13°C 2026 forecast: 14°C current forecast 14°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 13°C by day. The coolest year was 1992 (10°C) and the warmest was 2005 (16°C). The current forecast averages 14°C - higher than in 73% 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 - New Plymouth

New Plymouth - 14-day weather forecast infographic

Day-by-day forecast for New Plymouth

Saturday5 September 2026
🌧️15°light rain
sunrise 06:42 · sunset 18:04 · night 13° · evening 13° · rain 1.84 mm · humidity 89% · wind 6 m/s · clouds 66%
Sunday6 September 2026
🌧️16°light rain
sunrise 06:40 · sunset 18:05 · night 15° · evening 14° · rain 5.88 mm · humidity 86% · wind 8 m/s · clouds 97%
Monday7 September 2026
🌧️14°heavy rain
sunrise 06:38 · sunset 18:06 · night 10° · evening 12° · rain 20.76 mm · humidity 89% · wind 9 m/s · clouds 100%
Tuesday8 September 2026
☁️14°broken clouds
sunrise 06:37 · sunset 18:07 · night 9° · evening 12° · rain 0.73 mm · humidity 64% · wind 4 m/s · clouds 84%
Wednesday9 September 2026
☀️13°clear sky
sunrise 06:35 · sunset 18:08 · night 10° · evening 11° · rain 0.66 mm · humidity 65% · wind 4 m/s · clouds 7%
Thursday10 September 2026
🌧️12°light rain
sunrise 06:34 · sunset 18:09 · night 9° · evening 10° · rain 7.6 mm · humidity 95% · wind 7 m/s · clouds 100%
Friday11 September 2026
🌧️11°light rain
sunrise 06:32 · sunset 18:10 · night 11° · evening 11° · rain 3.18 mm · humidity 79% · wind 10 m/s · clouds 79%
Saturday12 September 2026
🌧️12°light rain
sunrise 06:31 · sunset 18:10 · night 11° · evening 11° · rain 1.86 mm · humidity 68% · wind 10 m/s · clouds 45%
Sunday13 September 2026
🌧️13°light rain
sunrise 06:29 · sunset 18:11 · night 12° · evening 12° · rain 1.35 mm · humidity 79% · wind 10 m/s · clouds 49%
Monday14 September 2026
🌧️14°light rain
sunrise 06:27 · sunset 18:12 · night 12° · evening 12° · rain 0.66 mm · humidity 74% · wind 7 m/s · clouds 88%
Tuesday15 September 2026
🌧️15°light rain
sunrise 06:26 · sunset 18:13 · night 13° · evening 14° · rain 1.56 mm · humidity 82% · wind 7 m/s · clouds 30%
Wednesday16 September 2026
🌧️14°light rain
sunrise 06:24 · sunset 18:14 · night 13° · evening 13° · rain 1.62 mm · humidity 69% · wind 6 m/s · clouds 45%
Thursday17 September 2026
🌧️16°moderate rain
sunrise 06:23 · sunset 18:15 · night 10° · evening 13° · rain 6.99 mm · humidity 64% · wind 8 m/s · clouds 43%
Friday18 September 2026
🌤️14°a few clouds
sunrise 06:21 · sunset 18:16 · night 11° · evening 12° · rain 16.32 mm · humidity 64% · wind 4 m/s · clouds 14%
Saturday19 September 2026
🌧️13°light rain
sunrise 06:19 · sunset 18:17 · night 13° · evening 14° · rain 6.48 mm · humidity 96% · wind 8 m/s · clouds 98%
Sunday20 September 2026
🌧️16°light rain
sunrise 06:18 · sunset 18:18 · night 14° · evening 15° · rain 3.45 mm · humidity 77% · wind 8 m/s · clouds 99%

UV index in New Plymouth - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTNew Plymouth03681111+4.7UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 45 min5Sat5.095Sun6.094Mon7.095Tue8.095Wed9.095Thu10.094Fri11.095Sat12.095Sun13.095Mon14.096Tue15.095Wed16.096Thu17.095Fri18.096Sat19.095Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in New Plymouth is 5 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - New Plymouth

Water today
14°C
Week avg
14°C
Waves today
2.9 m
How's the water?
very cold
16-day sea temperature forecast:
5.09 14°C6.09 14°C7.09 14°C8.09 14°C9.09 14°C10.09 14°C11.09 14°C12.09 14°C13.09 14°C
Average sea temperature through the year:
Jan 20°CFeb 20°CMar 19°CApr 19°CMay 17°CJun 16°CJul 15°CAug 14°CSep 14°COct 15°CNov 17°CDec 18°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Upcoming public holidays in New Zealand: Labour Day — 26 October · Christmas Day — 25 December · Boxing Day — 28 December.

Nearby and related places

Palmerston NorthRotoruaHastingsNelsonInvercargillWellington

FAQ - New Plymouth weather

What is the weather like in New Plymouth today?
Today it is about 15° during the day and 13° at night, light rain.
How far ahead can I check the forecast for New Plymouth?
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.