Sussex Weather Forecast
Sussex weather: 62°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Sussex
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Wed, Aug 26 | 🌦️ Drizzle | 76° / 61° | 63% · 0,0 in | 8 mph | 3 |
| Thu, Aug 27 | 🌧️ Rain | 73° / 63° | 100% · 0,4 in | 14 mph | 4 |
| Fri, Aug 28 | 🌦️ Light drizzle | 70° / 61° | 73% · 0,0 in | 16 mph | 5 |
| Sat, Aug 29 | 🌦️ Drizzle | 68° / 61° | 73% · 0,2 in | 23 mph | 5 |
| Sun, Aug 30 | 🌦️ Light drizzle | 71° / 60° | 63% · 0,0 in | 15 mph | 5 |
| Mon, Aug 31 | 🌦️ Light drizzle | 72° / 60° | 31% · 0,0 in | 16 mph | 5 |
| Tue, Sep 1 | 🌦️ Drizzle | 69° / 55° | 24% · 0,2 in | 10 mph | 5 |
| Wed, Sep 2 | ⛅ Partly cloudy | 68° / 49° | 26% | 7 mph | 3 |
| Thu, Sep 3 | 🌥️ Fog | 67° / 51° | 22% | 10 mph | 4 |
| Fri, Sep 4 | 🌦️ Drizzle | 70° / 60° | 16% · 0,2 in | 10 mph | 4 |
| Sat, Sep 5 | ☁️ Overcast | 70° / 51° | 6% | 8 mph | 5 |
| Sun, Sep 6 | ☁️ Overcast | 70° / 52° | 12% | 9 mph | 1 |
| Mon, Sep 7 | ⛅ Partly cloudy | 77° / 56° | 17% | 4 mph | 5 |
| Tue, Sep 8 | ☀️ Clear sky | 73° / 60° | 15% | 7 mph | 5 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 71°F against a August normal of 71°F - right on average.
The next 7 days carry about 2.5 times a normal week's rain for August (0,8 in against 0,3 in).
What this means for Sussex
Today is slightly warmer than average for August. The forecast high of 76°F is 5.4°F above the 71°F typical for this month.
A 63% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 57°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Sussex forecast by time range
Sussex weather - more answers
Explore Sussex
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Sussex?
Sussex is a county in England. Its coordinates are 50.928, -0.4617. It lies in Europe.
What is the weather like in Sussex right now?
It is currently 62°F (17°C) with overcast. Humidity is 92% and wind is 3 mph.
When is the best time to visit Sussex?
May, June, July and August offer the most comfortable conditions in Sussex, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Sussex in?
Sussex observes Europe/London (UTC+01:00). The local time is 8:34 PM.
How many people live in Sussex?
Sussex has a population of approximately 1.7 million.
What is the nearest airport to Sussex?
The closest airports are London Gatwick Airport (LGW), 20 mi away, London Heathrow Airport (LHR), 37 mi away and Paris Charles de Gaulle Airport (CDG), 188 mi away.
What are the top things to do in Sussex?
Popular options include Big Ben and the Houses of Parliament, River Thames, British Museum, Tower of London, Stonehenge, Avebury and Associated Sites and Stonehenge.
What places are in Sussex?
Sussex covers 2 places in this atlas, including London Gatwick Airport and Brighton.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (uk-regions) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 8:34 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
