Hailsham weather today: overcast, 9°C by day and 4°C overnight, with a 2% chance of rain and winds up to 9 mph. Seven-day forecast, updated every morning.
Hailsham weather today: Overcast, 9°C by day and 4°C overnight, with a 2% chance of rain and winds up to 9 mph. Over the next seven days temperatures range from 2°C to 11°C, with Wednesday the wettest day in the outlook. Forecast checked 9 November 2026 at 05:48; the live reading below updates when you open this page.
Today, hour by hour
| Time | Weather | Temp | Rain chance | Wind |
|---|---|---|---|---|
| 05:00 | ☀️ Sunny | 5°C | 0% | 4 mph |
| 06:00 | ⛅ Partly cloudy | 5°C | 0% | 4 mph |
| 07:00 | ☁️ Overcast | 5°C | 0% | 4 mph |
| 08:00 | ☁️ Overcast | 6°C | 0% | 5 mph |
| 09:00 | ☁️ Overcast | 8°C | 0% | 5 mph |
| 10:00 | ⛅ Partly cloudy | 9°C | 0% | 9 mph |
| 11:00 | 🌤️ Mostly sunny | 9°C | 0% | 9 mph |
| 12:00 | ⛅ Partly cloudy | 9°C | 0% | 9 mph |
| 13:00 | 🌤️ Mostly sunny | 9°C | 0% | 9 mph |
| 14:00 | ⛅ Partly cloudy | 9°C | 0% | 8 mph |
| 15:00 | ☀️ Sunny | 9°C | 0% | 8 mph |
| 16:00 | 🌤️ Mostly sunny | 7°C | 0% | 6 mph |
Hailsham seven-day forecast
| Day | Weather | High / low | Rain chance · total | Max wind | Sunrise / sunset |
|---|---|---|---|---|---|
| Today 9 Nov | ☁️ Overcast | 9° / 4° | 2% · 0.0 mm | 9 mph | 07:04 / 16:20 |
| Tomorrow 10 Nov | 🌧️ Heavy drizzle | 10° / 6° | 82% · 3.8 mm | 11 mph | 07:06 / 16:19 |
| Wednesday 11 Nov | 🌧️ Rain | 11° / 7° | 84% · 7.1 mm | 11 mph | 07:07 / 16:17 |
| Thursday 12 Nov | ☁️ Overcast | 9° / 5° | 6% · 0.0 mm | 18 mph | 07:09 / 16:16 |
| Friday 13 Nov | ⛅ Partly cloudy | 9° / 4° | 2% · 0.0 mm | 12 mph | 07:11 / 16:14 |
| Saturday 14 Nov | ☁️ Overcast | 10° / 2° | 3% · 0.0 mm | 10 mph | 07:12 / 16:13 |
| Sunday 15 Nov | ☁️ Overcast | 9° / 3° | 43% · 0.0 mm | 9 mph | 07:14 / 16:11 |
Hailsham weather by month: what is normal
A forecast means more next to what is usual. The Met Office's nearest climate station to Hailsham is Herstmonceux West End, about three miles to the east on the edge of the Pevensey Levels, so its 1991 to 2020 averages are the closest official yardstick for the weather in Hailsham. Averages checked against the Met Office on 2 November 2026.
| Month | Average high | Average low | Rainfall | Days with 1 mm+ of rain | Air frosts | Sunshine |
|---|---|---|---|---|---|---|
| January | 7.9°C | 2.4°C | 91 mm | 13 | 8 | 60 hrs |
| February | 8.3°C | 2.2°C | 64 mm | 11 | 8 | 80 hrs |
| March | 10.8°C | 3.7°C | 52 mm | 9 | 4 | 132 hrs |
| April | 13.9°C | 5.4°C | 50 mm | 9 | 1 | 189 hrs |
| May | 16.9°C | 8.3°C | 50 mm | 8 | 0 | 223 hrs |
| June | 19.5°C | 10.9°C | 55 mm | 8 | 0 | 228 hrs |
| July | 21.6°C | 13.0°C | 59 mm | 8 | 0 | 234 hrs |
| August | 21.7°C | 13.0°C | 69 mm | 9 | 0 | 210 hrs |
| September | 19.1°C | 10.9°C | 64 mm | 9 | 0 | 160 hrs |
| October | 15.3°C | 8.3°C | 100 mm | 12 | 0 | 115 hrs |
| November | 11.4°C | 5.2°C | 106 mm | 14 | 3 | 66 hrs |
| December | 8.6°C | 2.9°C | 103 mm | 14 | 8 | 53 hrs |
| Year | 14.6°C | 7.2°C | 864 mm | 125 | 32 | 1,748 hrs |
Averages: Met Office location-specific long-term averages, Herstmonceux West End, 1991 to 2020, rounded.
Weather in Hailsham: questions
What is the weather usually like in Hailsham in November?
Wet and mild for the time of year. A normal November at Herstmonceux peaks at about 11.4°C by day and falls to 5.2°C at night, but brings about 106 mm of rain over 14 wet days, the most of any month. Air frosts are rare, about three in the month, and there are only around 66 hours of sunshine. Sunset comes before 4pm by the last days of November.
What is the wettest month in Hailsham?
November, at about 106 mm, ahead of December at 103 mm and October at 100 mm. Those three months together bring more than a third of the year's rain. April and May are the driest at about 50 mm each. Over a year the area gets roughly 864 mm of rain on about 125 days with at least 1 mm.
How cold does Hailsham get in winter?
December to February average highs of 7.9 to 8.6°C and lows of 2.2 to 2.9°C. The area averages about 32 air frosts a year, mostly in December, January and February at about eight each, fewer than the 42 or 43 a year recorded at Met Office stations inland, such as Northolt in west London and Rothamsted in Hertfordshire.
Is Hailsham getting warmer?
The Met Office figures say yes. Comparing Herstmonceux's 1991 to 2020 averages with the 1981 to 2010 set, the average daytime high across the year rose from 13.4°C to 14.6°C, yearly air frosts fell from about 55 to 32, and annual rainfall rose from about 799 mm to 864 mm.
When is the warmest and sunniest time in Hailsham?
July and August, both averaging highs of about 21.6 to 21.7°C. July is the sunniest month with about 234 hours, and the year totals about 1,748 hours of sunshine.
Where does this Hailsham weather forecast come from, and how often does it change?
The seven-day and hourly tables come from Open-Meteo's forecast for Hailsham and are rewritten every morning. The "right now" line at the top is fetched live each time the page loads. For official warnings, check the Met Office link below, which covers East Sussex along with the rest of the UK.
Warnings and what to check before you set off
- Met Office weather warnings for the whole of the UK, updated as they are issued.
- Flood warnings and river levels from the Environment Agency.
- Our roadworks and travel page for closures and rail changes this week.
Forecast data: Open-Meteo (CC BY 4.0), refreshed each morning for Hailsham (50.862, 0.258). Temperatures in °C, wind in mph.
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