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Updated Live on: 21/07/2026 20:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 19.5°C, Max: 25.5°C, Min: 12.7°C 19.5°C Colder 1.6°C than last hour

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Feels like:  20°C

24-hr Difference
0.1°CWarmer 0.1°C than yesterday at this time
Records Today Yesterday
Highs: 25.5°C
16:47
24.6°C
17:01
Lows: 12.7°C
05:01
10.4°C
05:40
 Calm WSW
0.0

Gusting: 0.0 mph
1 Bft - Calm
Max Today: 8.5 at 17:32
Gust Month: 13.8 mph on Jul 12
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
July: 0.0 mm
Rain this Year: 516.6 mm
20 days since it last rained
Last Rain: 30/06/2026 at 09:46
Tonight
Partly Cloudy
Partly Cloudy
14°C
Barometer Humidity / Dew Point Moon
Current: 1026.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1027.0  | Low: 1025.0
Humidity: 66 % Increased 9% since last hour
Humidex: 22.3°C
Dew Point: 13.0°C Increased 0.7°C since last hour
Wet Bulb: 15.8°C
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
54%
Illuminated
UVI Forecast Solar Information
21/07/2026   High   6.6   
22/07/2026   High   6.4   
23/07/2026   High   6.5   
Sunrise is at: 05:16
Solar Noon at: 13:12
Sunset is at: 21:06
Heat Index Cooling Degree Days Sun
Current: 19.5°C
Today: 25.5°C at 16:47
Yesterday: 24.6°C
Last Week: 29.2°C
Record: 39.7°C   25/06/2026
Today: 0.2
July: 66.4
2026 to Date: 152.8
Heating Degree Days
2026 to Date: 1382.9
Daylight: 15:50:00
-00:02:30
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:16
Sunset is at: 21:06
Moonrise is at: 14:12
Moonset is at: 23:31
Cloud Height: 2792 ft
Tue 21 July
High Tide: 0452 4.1
Low Tide: 1013 1.3
High Tide: 1726 4.2
Low Tide: 2241 1.7
Air Density: 1.215 kg/m3
New Moon: 14 July 2026
Full Moon: 29 July 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 25.7°C
Sys Check: 00:20
Sys Reset: 4 Days 7 Hours 17 Minutes 10 Seconds
Highs: Lows:
35.5°C on:
25/06/2026
-8.2°C on:
10/01/2009
Avg Daytime Records
  30.8°C on: 25 Jun 2026   -4.0°C on: 01 Mar 2018
Avg Night Time Records
  26.8°C on: 26 Jun 2026   -6.1°C on: 10 Jan 2009
Soton & New Forest Fire Index
Currently:
5.8 at 20:50


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
27°C
Intervals of clouds and sunshine. Very warm. High 27C. Winds NNW at 5 to 10 mph.
Tomorrow night
Partly Cloudy
Partly Cloudy
15°C
Partly cloudy skies. Low around 15C. Winds light and variable.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Partly Cloudy
Partly Cloudy
15°C
Thursday
Partly Cloudy
Partly Cloudy
25°C
Thursday night
Partly Cloudy
Partly Cloudy
15°C
Friday
Partly Cloudy
Partly Cloudy
27°C
Friday night
Partly Cloudy
Partly Cloudy
15°C
Saturday
Partly Cloudy
Partly Cloudy
26°C