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Updated Live on: 25/05/2026 18:25 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 28.4°C, Max: 31.9°C, Min: 15.1°C 28.4°C Colder 1.2°C than last hour

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Feels like:  28°C

24-hr Difference
-0.6°CColder 0.6°C than yesterday at this time
Records Today Yesterday
Highs: 31.9°C
12:16
31.7°C
15:19
Lows: 15.1°C
05:20
13.7°C
05:18
 Wind from WSW WSW
4.0

Gusting: 5.0 mph
1 Bft - Light Breeze
Max Today: 14.1 at 13:49
Gust Month: 19.9 mph on May 19
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
May: 30.0 mm
Rain this Year: 434.9 mm
11 rain days this May
Last Rain: 20/05/2026 at 02:03
Tonight
Clear
Clear
16°C
Barometer Humidity / Dew Point Moon
Current: 1028.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Falling
High: 1031.0  | Low: 1027.0
Humidity: 36 % Increased 1% since last hour
Humidex: 30.6°C
Dew Point: 11.9°C Decreased 0.6°C since last hour
Wet Bulb: 18.8°C
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
73%
Illuminated
UVI Forecast Solar Information
25/05/2026   High   7.1   
26/05/2026   High   6.8   
27/05/2026   High   6.6   
Sunrise is at: 05:03
Solar Noon at: 13:02
Sunset is at: 21:02
Heat Index Cooling Degree Days Sun
Current: 27.7°C
Today: 32.5°C at 12:16
Yesterday: 31.6°C
Last Week: 34.1°C
Record: 34.2°C   19/07/2022
Today: 1.4
May: 12.5
2026 to Date: 12.5
Heating Degree Days
2026 to Date: 1314.0
Daylight: 15:59:00
+ 00:02:22
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:03
Sunset is at: 21:02
Moonrise is at: 14:57
Moonset is at: 02:26
Cloud Height: 6908 ft
Mon 25 May
Low Tide: 0027 1.8
High Tide: 0722 3.9
Low Tide: 1257 1.6
High Tide: 1958 4.2
Air Density: 1.182 kg/m3
New Moon: 16 May 2026
Full Moon: 31 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 27.6°C
Sys Check: 00:20
Sys Reset: 1 Days 10 Hours 12 Minutes 55 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:
44.8 at 18:25


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Sunny
Sunny
31°C
Sunny. Near record high temperatures. High 31C. Winds SE at 5 to 10 mph.
Tomorrow night
Clear
Clear
16°C
Clear skies. Muggy. Low 16C. Winds ENE at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Clear
Clear
16°C
Wednesday
Mostly Sunny
Mostly Sunny
28°C
Wednesday night
Partly Cloudy
Partly Cloudy
16°C
Thursday
Partly Cloudy
Partly Cloudy
25°C
Thursday night
Partly Cloudy
Partly Cloudy
15°C
Friday
Cloudy
Cloudy
24°C