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Updated Live on: 28/05/2026 16:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 25.1°C, Max: 28.7°C, Min: 16.5°C 25.1°C Colder 1.2°C than last hour

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Feels like:  25°C

24-hr Difference
-3.4°CColder 3.4°C than yesterday at this time
Records Today Yesterday
Highs: 28.7°C
14:14
30.2°C
13:23
Lows: 16.5°C
03:19
15.1°C
05:20
 Wind from SSW SSW
4.3

Gusting: 2.9 mph
2 Bft - Light Breeze
Max Today: 11.4 at 12:30
Gust Month: 19.9 mph on May 19
Rain Today: 0.1 mm
Last Rain at: 15:53
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
May: 30.1 mm
Rain this Year: 435.0 mm
12 rain days this May
Tonight
Mostly Cloudy
Mostly Cloudy
14°C
Barometer Humidity / Dew Point Moon
Current: 1019.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1021.0  | Low: 1018.0
Humidity: 57 % Increased 13% since last hour
Humidex: 29.7°C
Dew Point: 16.0°C Increased 2.8°C since last hour
Wet Bulb: 19.5°C
Waxing Gibbous
Waxing Gibbous, Moon at 12 days in cycle
93%
Illuminated
UVI Forecast Solar Information
28/05/2026   High   6.8   
29/05/2026   High   7.0   
30/05/2026   High   6.4   
Sunrise is at: 05:00
Solar Noon at: 13:02
Sunset is at: 21:05
Heat Index Cooling Degree Days Sun
Current: 25.1°C
Today: 28.8°C at 14:14
Yesterday: 29.3°C
Last Week: 34.1°C
Record: 34.2°C   19/07/2022
Today: 0.7
May: 29.2
2026 to Date: 29.2
Heating Degree Days
2026 to Date: 1314.1
Daylight: 16:05:00
+ 00:02:09
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:00
Sunset is at: 21:05
Moonrise is at: 18:36
Moonset is at: 03:03
Cloud Height: 3862 ft
Thu 28 May
Low Tide: 0324 1.4
High Tide: 0946 4.1
Low Tide: 1541 1.3
High Tide: 2200 4.3
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: 28.2°C
Sys Check: ---
Sys Reset: 4 Days 8 Hours 37 Minutes 50 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:
12.8 at 16:50


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Cloudy
Cloudy
24°C
Cloudy skies. Warm. High 24C. Winds NW at 5 to 10 mph.
Tomorrow night
Mostly Clear
Mostly Clear
12°C
Mainly clear early, then a few clouds later on. Low 12C. Winds NW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Clear
Mostly Clear
12°C
Saturday
AM Clouds, PM Sun
AM Clouds, PM Sun
26°C
Saturday night
Mostly Cloudy
Mostly Cloudy
14°C
Sunday
Cloudy
Cloudy
21°C
Sunday night
Mostly Clear
Mostly Clear
13°C
Monday
PM Light Rain
PM Light Rain
18°C