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Updated Live on: 23/05/2026 19:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 24.2°C, Max: 28.9°C, Min: 15.3°C 24.2°C Colder 1.4°C than last hour

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Feels like:  24°C

24-hr Difference
1.7°CWarmer 1.7°C than yesterday at this time
Records Today Yesterday
Highs: 28.9°C
14:27
28.1°C
12:51
Lows: 15.3°C
05:18
13.3°C
04:35
 Calm NE
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 6.4 at 00:11
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
13°C
Barometer Humidity / Dew Point Moon
Current: 1027.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1027.0  | Low: 1022.0
Humidity: 50 % Increased 4% since last hour
Humidex: 27.1°C
Dew Point: 13.1°C Decreased 0.2°C since last hour
Wet Bulb: 17.7°C
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
54%
Illuminated
UVI Forecast Solar Information
23/05/2026   High   6.4   
24/05/2026   High   6.7   
25/05/2026   High   6.9   
Sunrise is at: 05:05
Solar Noon at: 13:02
Sunset is at: 20:59
Heat Index Cooling Degree Days Sun
Current: 24.2°C
Today: 28.8°C at 14:27
Yesterday: 28.6°C
Last Week: 28.8°C
Record: 34.2°C   19/07/2022
Today: 0.9
May: 3.4
2026 to Date: 3.4
Heating Degree Days
2026 to Date: 1314.2
Daylight: 15:54:00
+ 00:02:29
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:05
Sunset is at: 20:59
Moonrise is at: 12:26
Moonset is at: 01:59
Cloud Height: 4671 ft
Sat 23 May
High Tide: 0436 4.0
Low Tide: 1038 1.4
High Tide: 1739 4.1
Low Tide: 2313 1.7
Air Density: 1.197 kg/m3
New Moon: 16 May 2026
Full Moon: 31 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 25.0°C
Sys Check: 00:20
Sys Reset: 1 Days 11 Hours 38 Minutes 51 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:
19.7 at 19:50


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Sunny
Sunny
29°C
Sunny. Near record high temperatures. High 29C. Winds light and variable.
Tomorrow night
Clear
Clear
15°C
Clear. Muggy. Low near 15C. Winds light and variable.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Clear
Clear
15°C
Monday
Sunny
Sunny
30°C
Monday night
Clear
Clear
16°C
Tuesday
Sunny
Sunny
30°C
Tuesday night
Clear
Clear
16°C
Wednesday
Sunny
Sunny
29°C