Live Weather & Forecast

Weather in Alton

Hampshire, United Kingdom · Real-time conditions & 3-day outlook

Flag of United Kingdom
Clear
22°C
Feels like 22°C
71°F / Feels 71°F
Clear
Alton, Hampshire
🌙 Nighttime
Updated: 2026-04-13 00:00
💧
Humidity
67%
💨
Wind
20.5 km/h SSW
🌬️
Wind Gust
34 km/h
🌡️
Pressure
1014 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
15.8°C
🌐
Wind Degree
200°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
137.9 μg/m³
NO₂
5.6 μg/m³
O₃
75 μg/m³
SO₂
2.4 μg/m³
PM 2.5
3.8 μg/m³
PM 10
3.9 μg/m³

Weather Alerts 1

Met · Severe · Immediate
Flood Warning issued April 12 at 11:41AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Hannibal Clarksville Louisiana River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Monday, April 20. * ADDITI...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T11:41:00-05:00  ·  Expires: 2026-04-13T23:45:00-05:00

Today's Hourly Forecast

24-hour breakdown for Alton, Hampshire

12 AM
Clear
20°
Clear
💧 78% 💨 22.7 km/h
1 AM
Clear
22°
Clear
💧 67% 💨 20.5 km/h
2 AM
Clear
19°
Clear
💧 81% 💨 20.2 km/h
3 AM
Clear
19°
Clear
💧 83% 💨 20.2 km/h
4 AM
Clear
19°
Clear
💧 86% 💨 20.9 km/h
5 AM
Clear
19°
Clear
💧 86% 💨 18.7 km/h
6 AM
Clear
19°
Clear
💧 87% 💨 15.5 km/h
7 AM
Overcast
19°
Overcast
💧 86% 💨 17.6 km/h
8 AM
Overcast
20°
Overcast
💧 85% 💨 20.2 km/h
9 AM
Overcast
21°
Overcast
💧 83% 💨 22.7 km/h
10 AM
Partly Cloudy
23°
Partly Cloudy
💧 77% 💨 23.4 km/h
11 AM
Partly Cloudy
25°
Partly Cloudy
💧 67% 💨 22.3 km/h
12 PM
Partly Cloudy
24°
Partly Cloudy
💧 61% 💨 20.9 km/h
1 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 74% 💨 21.2 km/h
2 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 73% 💨 23.4 km/h
3 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 73% 💨 23.8 km/h
4 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 75% 💨 22.3 km/h
5 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 76% 💨 23 km/h
6 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 77% 💨 19.8 km/h
7 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 77% 💨 24.5 km/h
8 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 77% 💨 29.2 km/h
9 PM
Overcast
23°
Overcast
💧 77% 💨 26.3 km/h
10 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 79% 💨 25.2 km/h
11 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 83% 💨 24.5 km/h

3-Day Forecast

Daily overview for Alton, Hampshire

Today
Thundery outbreaks in nearby
Thundery outbreaks in nearby
27° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
28° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 2
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Thundery outbreaks in nearby
Thundery outbreaks in nearby
23° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Alton

Plan your trip to Alton, United Kingdom around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Alton 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Alton?
Current conditions in Alton: Clear, temperature 22°C, humidity 67%.
What is the best time to visit Alton?
The best time to visit Alton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Alton?
Alton is located at approximately 38.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Alton?
The wettest period in Alton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Alton?
For visits to Alton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Alton in?
Alton is located in United Kingdom, in the state of Hampshire.
What are the public holidays in Alton in 2026?
View the 2026 public holidays for Alton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Alton?
The weather forecast for Alton uses coordinates 38.8909, -90.1843.