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Updated Live on: 21/06/2026 17:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 27.5°C, Max: 30.1°C, Min: 14.3°C 27.5°C Colder 1.6°C than last hour

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Feels like:  28°C

24-hr Difference
5.3°CWarmer 5.3°C than yesterday at this time
Records Today Yesterday
Highs: 30.1°C
14:18
23.1°C
13:52
Lows: 14.3°C
04:40
15.7°C
23:08
 Wind from WSW WSW
4.7

Gusting: 4.7 mph
2 Bft - Light Breeze
Max Today: 14.1 at 14:26
Gust Month: 24.5 mph on Jun 6
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
June: 80.3 mm
Rain this Year: 515.7 mm
12 rain days this June
Last Rain: 17/06/2026 at 08:12
Tonight
Clear
Clear
17°C
Barometer Humidity / Dew Point Moon
Current: 1024.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1025.0  | Low: 1022.0
Humidity: 50 % Increased 5% since last hour
Humidex: 32.2°C
Dew Point: 16.1°C Increased 0.3°C since last hour
Wet Bulb: 20.4°C
Waxing Crescent
Waxing Crescent, Moon at 7 days in cycle
48%
Illuminated
UVI Forecast Solar Information
21/06/2026   High   6.9   
22/06/2026   High   7.2   
23/06/2026   High   7.3   
Sunrise is at: 04:51
Solar Noon at: 13:07
Sunset is at: 21:23
Heat Index Cooling Degree Days Sun
Current: 27.9°C
Today: 30.3°C at 14:18
Yesterday: 23.1°C
Last Week: 31.8°C
Record: 34.2°C   19/07/2022
Today: 0.7
June: 2.7
2026 to Date: 35.7
Heating Degree Days
2026 to Date: 1381.1
Daylight: 16:32:00
+ 00:00:24
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 04:51
Sunset is at: 21:23
Moonrise is at: 12:45
Moonset is at: 00:45
Cloud Height: 4782 ft
Sun 21 June
High Tide: 0430 4.1
Low Tide: 1005 1.2
High Tide: 1726 4.3
Low Tide: 2234 1.5
Air Density: 1.178 kg/m3
New Moon: 15 June 2026
Full Moon: 29 June 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 25.8°C
Sys Check: ---
Sys Reset: 2 Days 5 Hours 16 Minutes 41 Seconds
Highs: Lows:
35.2°C on:
19/07/2022
-8.2°C on:
10/01/2009
Avg Daytime Records
  29.2°C on: 19 Jul 2022   -4.0°C on: 01 Mar 2018
Avg Night Time Records
  24.8°C on: 20 Jul 2016   -6.1°C on: 10 Jan 2009
Soton & New Forest Fire Index
Currently:
20.4 at 17:50


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Sunny
Sunny
32°C
A mainly sunny sky. Hot. High 32C. Winds E at 10 to 15 mph.
Tomorrow night
Clear
Clear
20°C
Clear skies. Low near 20C. Winds E at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Clear
Clear
20°C
Tuesday
Sunny
Sunny
32°C
Tuesday night
Clear
Clear
20°C
Wednesday
Sunny
Sunny
35°C
Wednesday night
Clear
Clear
23°C
Thursday
Mostly Sunny
Mostly Sunny
34°C