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Updated Live on: 20/06/2026 21:20 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 18.9°C, Max: 23.1°C, Min: 15.7°C 18.9°C Colder 1°C than last hour

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Feels like:  19°C

24-hr Difference
0.5°CWarmer 0.5°C than yesterday at this time
Records Today Yesterday
Highs: 23.1°C
13:52
28.4°C
10:54
Lows: 15.7°C
05:41
12.8°C
05:09
 Wind from W W
2.4

Gusting: 2.1 mph
1 Bft - Light Air
Max Today: 9.3 at 16:55
Gust Month: 24.5 mph on Jun 6
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
June: 80.3 mm
Rain this Year: 515.7 mm
12 rain days this June
Last Rain: 17/06/2026 at 08:12
Tonight
Clear
Clear
14°C
Barometer Humidity / Dew Point Moon
Current: 1022.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Rising rapidly
High: 1022.0  | Low: 1015.0
Humidity: 84 % Increased 3% since last hour
Humidex: 23.6°C
Dew Point: 16.1°C Decreased 0.4°C since last hour
Wet Bulb: 17.2°C
Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
39%
Illuminated
UVI Forecast Solar Information
20/06/2026   High   7.0   
21/06/2026   High   7.0   
22/06/2026   High   7.4   
Sunrise is at: 04:51
Solar Noon at: 13:07
Sunset is at: 21:23
Heat Index Cooling Degree Days Sun
Current: 18.9°C
Today: 23.1°C at 13:52
Yesterday: 29.5°C
Last Week: 29.4°C
Record: 34.2°C   19/07/2022
Today: 0.1
June: 1.6
2026 to Date: 34.5
Heating Degree Days
2026 to Date: 1381.2
Daylight: 16:32:00
+ 00:00:24
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 04:51
Sunset is at: 21:23
Moonrise is at: 11:28
Moonset is at: 00:32
Cloud Height: 1244 ft
Sat 20 June
High Tide: 0316 4.3
Low Tide: 0916 1.0
High Tide: 1630 4.4
Low Tide: 2142 1.4
Air Density: 1.211 kg/m3
New Moon: 15 June 2026
Full Moon: 29 June 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 24.8°C
Sys Check: 00:20
Sys Reset: 1 Days 8 Hours 46 Minutes 40 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:
-0.1 at 21:20


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Sunny
Mostly Sunny
28°C
Generally sunny despite a few afternoon clouds. Very warm. High 28C. Winds light and variable.
Tomorrow night
Partly Cloudy
Partly Cloudy
17°C
Partly cloudy skies. Low 17C. Winds E at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Partly Cloudy
Partly Cloudy
17°C
Monday
Mostly Sunny
Mostly Sunny
31°C
Monday night
Partly Cloudy
Partly Cloudy
20°C
Tuesday
Sunny
Sunny
31°C
Tuesday night
Clear
Clear
21°C
Wednesday
Sunny
Sunny
35°C