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Weather in Newcastle - 14-day forecast

Detailed weather forecast for Newcastle, United Kingdom: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Newcastle
today☁️ 19°💧 5.2 mm
Sun🌧️ 16°💧 3.9 mm
Mon☁️ 18°💧 0.2 mm
Tue🌧️ 15°💧 0.4 mm
Wed🌤️ 17°💧 0.5 mm
Thu☁️ 18°💧 0.6 mm
Fri🌧️ 18°💧 0.1 mm
Sat🌧️ 16°💧 0.1 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

Saturday 5 Sept in Newcastle, the forecast high is 19°C. Typical daytime temperatures at this time of year range from 15°C to 19°C, so it will be warmer than usual. It is warmer than 87% of similar days.

19°Cwarmer than usual
usually 15°C–19°C
warmer than 87% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
16°Cnear normal
usually 15°C–19°C
night: exceptionally warm rain: more rain than usual wind: typical
18°Cnear normal
usually 15°C–19°C
night: exceptionally warm rain: less rain than usual wind: typical
15°Cnear normal
usually 15°C–19°C
night: warmer than usual rain: typical rainfall wind: stronger than usual
17°Cnear normal
usually 14°C–18°C
night: warmer than usual rain: typical rainfall wind: typical
18°Cwarmer than usual
usually 14°C–18°C
warmer than 75% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
18°Cwarmer than usual
usually 14°C–18°C
warmer than 75% of similar days
night: exceptionally warm rain: less rain than usual 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 →
10°18°25° 1981: 18°C1982: 16°C1983: 13°C1984: 15°C1985: 14°C1986: 13°C1987: 15°C1988: 18°C1989: 15°C1990: 16°C1991: 18°C1992: 15°C1993: 15°C1994: 14°C1995: 16°C1996: 15°C1997: 17°C1998: 17°C1999: 20°C2000: 17°C2001: 16°C2002: 16°C2003: 17°C2004: 18°C2005: 18°C2006: 19°C2007: 18°C2008: 16°C2009: 17°C2010: 18°C2011: 16°C2012: 17°C2013: 15°C2014: 17°C2015: 16°C2016: 19°C2017: 15°C2018: 16°C2019: 15°C2020: 16°C2021: 21°C2022: 18°C2023: 22°C2024: 16°C2025: 18°C 2026 forecast: 17°C current forecast 17°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 17°C by day. The coolest year was 1986 (13°C) and the warmest was 2023 (22°C). The current forecast averages 17°C - higher than in 69% 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 - Newcastle

Newcastle - 14-day weather forecast infographic

Newcastle 30 & 45-day weather - long-range outlook

Next 16 days · forecast
18°
around 14° at night · days with rain: 3
Weeks 3-4 · avg for September
17°
around 9° at night · rain chance 48%
Weeks 5-7 · avg for October
14°
around 7° at night · rain chance 69%
The 30 & 45-day outlook for Newcastle: the next 16 days are a numerical forecast updated daily - on average 18° by day and 14° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 14° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Newcastle

Saturday5 September 2026
☁️19°broken clouds
sunrise 06:19 · sunset 19:50 · night 13° · evening 16° · rain 5.22 mm · humidity 51% · wind 8 m/s · clouds 71%
Sunday6 September 2026
🌧️16°moderate rain
sunrise 06:21 · sunset 19:47 · night 17° · evening 20° · rain 3.86 mm · humidity 85% · wind 5 m/s · clouds 92%
Monday7 September 2026
☁️18°overcast clouds
sunrise 06:23 · sunset 19:45 · night 13° · evening 15° · rain 0.19 mm · humidity 48% · wind 7 m/s · clouds 100%
Tuesday8 September 2026
🌧️15°light rain
sunrise 06:25 · sunset 19:42 · night 12° · evening 13° · rain 0.35 mm · humidity 55% · wind 9 m/s · clouds 84%
Wednesday9 September 2026
🌤️17°a few clouds
sunrise 06:27 · sunset 19:40 · night 12° · evening 14° · rain 0.54 mm · humidity 46% · wind 8 m/s · clouds 20%
Thursday10 September 2026
☁️18°overcast clouds
sunrise 06:29 · sunset 19:37 · night 15° · evening 17° · rain 0.63 mm · humidity 66% · wind 6 m/s · clouds 97%
Friday11 September 2026
🌧️18°light rain
sunrise 06:31 · sunset 19:35 · night 12° · evening 15° · rain 0.12 mm · humidity 50% · wind 8 m/s · clouds 9%
Saturday12 September 2026
🌧️16°light rain
sunrise 06:32 · sunset 19:32 · night 13° · evening 14° · rain 0.12 mm · humidity 62% · wind 6 m/s · clouds 79%
Sunday13 September 2026
🌤️18°a few clouds
sunrise 06:34 · sunset 19:30 · night 14° · evening 15° · humidity 50% · wind 2 m/s · clouds 16%
Monday14 September 2026
🌤️19°scattered clouds
sunrise 06:36 · sunset 19:27 · night 13° · evening 16° · rain 0.39 mm · humidity 50% · wind 4 m/s · clouds 41%
Tuesday15 September 2026
🌤️20°a few clouds
sunrise 06:38 · sunset 19:24 · night 13° · evening 16° · rain 0.24 mm · humidity 49% · wind 4 m/s · clouds 23%
Wednesday16 September 2026
🌧️20°light rain
sunrise 06:40 · sunset 19:22 · night 13° · evening 16° · rain 0.27 mm · humidity 49% · wind 8 m/s · clouds 77%
Thursday17 September 2026
☁️19°broken clouds
sunrise 06:42 · sunset 19:19 · night 16° · evening 17° · humidity 46% · wind 5 m/s · clouds 76%
Friday18 September 2026
🌧️22°light rain
sunrise 06:44 · sunset 19:17 · night 20° · evening 21° · rain 0.3 mm · humidity 55% · wind 9 m/s · clouds 74%
Saturday19 September 2026
🌧️18°light rain
sunrise 06:45 · sunset 19:14 · night 12° · evening 13° · rain 6.99 mm · humidity 79% · wind 9 m/s · clouds 100%
Sunday20 September 2026
☁️17°overcast clouds
sunrise 06:47 · sunset 19:12 · night 15° · evening 15° · humidity 64% · wind 2 m/s · clouds 96%

UV index in Newcastle - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTNewcastle03681111+2.8UV LOWtoday, daily maxYou can safely stay outside. Sunscreen only mattersfor very long exposure.3Sat5.093Sun6.093Mon7.094Tue8.094Wed9.091Thu10.092Fri11.093Sat12.092Sun13.094Mon14.092Tue15.093Wed16.094Thu17.093Fri18.093Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Newcastle is 3 (low). You can safely stay outside. Sunscreen only matters for very long exposure.

Pollen in Newcastle - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTNewcastleHighest pollen today: Grasses1 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses11--nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive, ragweed · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today grasses pollen is highest in Newcastle - about 1 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Newcastle weather through the year

Newcastle - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in United Kingdom: Christmas Day — 25 December · Boxing Day — 28 December · New Year's Day — 1 January.

Nearby and related places

YorkEdinburghLinlithgowSt AndrewsManchesterSheffieldDundeeLondonBristolLiverpool

FAQ - Newcastle weather

What is the weather like in Newcastle today?
Today it is about 19° during the day and 13° at night, broken clouds.
How far ahead can I check the forecast for Newcastle?
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.