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Updated Live on: 26/05/2026 18:20 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear -  Towering cumulus clouds observed

Currently 27.9°C, Max: 32.2°C, Min: 18.5°C 27.9°C Colder 1.5°C than last hour

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Feels like:  27°C

24-hr Difference
-0.7°CColder 0.7°C than yesterday at this time
Records Today Yesterday
Highs: 32.2°C
13:42
31.9°C
12:16
Lows: 18.5°C
05:53
15.1°C
05:20
 Wind from WNW WNW
2.9

Gusting: 3.6 mph
1 Bft - Light Air
Max Today: 9.7 at 15:45
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: 1023.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Falling
High: 1028.0  | Low: 1023.0
Humidity: 36 % Increased 1% since last hour
Humidex: 29.9°C
Dew Point: 11.4°C Decreased 0.8°C since last hour
Wet Bulb: 18.4°C
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
81%
Illuminated
UVI Forecast Solar Information
26/05/2026   High   6.8   
27/05/2026   High   6.6   
28/05/2026   High   6.8   
Sunrise is at: 05:02
Solar Noon at: 13:02
Sunset is at: 21:03
Heat Index Cooling Degree Days Sun
Current: 27.3°C
Today: 31.9°C at 13:42
Yesterday: 32.5°C
Last Week: 34.1°C
Record: 34.2°C   19/07/2022
Today: 2.9
May: 19.9
2026 to Date: 19.9
Heating Degree Days
2026 to Date: 1313.7
Daylight: 16:01:00
+ 00:02:18
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:02
Sunset is at: 21:03
Moonrise is at: 16:10
Moonset is at: 02:38
Cloud Height: 6884 ft
Tue 26 May
Low Tide: 0143 1.7
High Tide: 0821 4.0
Low Tide: 1404 1.6
High Tide: 2047 4.2
Air Density: 1.178 kg/m3
New Moon: 16 May 2026
Full Moon: 31 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 29.0°C
Sys Check: 00:20
Sys Reset: 2 Days 10 Hours 7 Minutes 53 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:
44.7 at 18:20


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Sunny
Mostly Sunny
29°C
Generally sunny despite a few afternoon clouds. A stray shower or thunderstorm is possible. High 29C. Winds E at 10 to 15 mph.
Tomorrow night
Partly Cloudy
Partly Cloudy
16°C
A few clouds. A stray shower or thunderstorm is possible. Low 16C. Winds E at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Partly Cloudy
Partly Cloudy
16°C
Thursday
Mostly Cloudy
Mostly Cloudy
25°C
Thursday night
Mostly Cloudy
Mostly Cloudy
14°C
Friday
Cloudy
Cloudy
25°C
Friday night
Partly Cloudy
Partly Cloudy
13°C
Saturday
Partly Cloudy
Partly Cloudy
26°C