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Updated Live on: 20/07/2026 19:30 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 21.4°C, Max: 24.6°C, Min: 10.4°C 21.4°C Colder 2°C than last hour

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Feels like:  21°C

24-hr Difference
0.9°CWarmer 0.9°C than yesterday at this time
Records Today Yesterday
Highs: 24.6°C
17:01
22.9°C
11:09
Lows: 10.4°C
05:40
13.1°C
05:28
 Wind from SSW SSW
3.3

Gusting: 2.9 mph
1 Bft - Light Breeze
Max Today: 8.1 at 11:21
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
19 days since it last rained
Last Rain: 30/06/2026 at 09:46
Tonight
Clear
Clear
13°C
Barometer Humidity / Dew Point Moon
Current: 1025.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Rising
High: 1027.0  | Low: 1023.0
Humidity: 46 % Increased 5% since last hour
Humidex: 22.4°C
Dew Point: 9.3°C Decreased 0.1°C since last hour
Wet Bulb: 14.9°C
Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
43%
Illuminated
UVI Forecast Solar Information
20/07/2026   High   6.1   
21/07/2026   High   6.6   
22/07/2026   High   6.1   
Sunrise is at: 05:14
Solar Noon at: 13:11
Sunset is at: 21:08
Heat Index Cooling Degree Days Sun
Current: 21.4°C
Today: 24.6°C at 17:01
Yesterday: 22.9°C
Last Week: 29.2°C
Record: 39.7°C   25/06/2026
Today: 0.0
July: 66.1
2026 to Date: 152.6
Heating Degree Days
2026 to Date: 1384.1
Daylight: 15:54:00
-00:02:25
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:14
Sunset is at: 21:08
Moonrise is at: 12:58
Moonset is at: 23:16
Cloud Height: 5091 ft
Mon 20 July
High Tide: 0401 4.2
Low Tide: 0928 1.0
High Tide: 1650 4.4
Low Tide: 2152 1.4
Air Density: 1.207 kg/m3
New Moon: 14 July 2026
Full Moon: 29 July 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 24.8°C
Sys Check: 00:20
Sys Reset: 3 Days 5 Hours 57 Minutes 15 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:
24.3 at 19:30


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Sunny
Mostly Sunny
27°C
Generally sunny despite a few afternoon clouds. Very warm. High 27C. Winds NNE at 5 to 10 mph.
Tomorrow night
Mostly Clear
Mostly Clear
15°C
Mainly clear. Low around 15C. Winds S at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Clear
Mostly Clear
15°C
Wednesday
Partly Cloudy
Partly Cloudy
27°C
Wednesday night
Mostly Clear
Mostly Clear
14°C
Thursday
Partly Cloudy
Partly Cloudy
26°C
Thursday night
Partly Cloudy
Partly Cloudy
15°C
Friday
Partly Cloudy
Partly Cloudy
27°C