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Updated Live on: 15/06/2026 18:15 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy

Currently 18.3°C, Max: 22.6°C, Min: 11.5°C 18.3°C Colder 1.9°C than last hour

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Feels like:  18°C

24-hr Difference
-2.5°CColder 2.5°C than yesterday at this time
Records Today Yesterday
Highs: 22.6°C
15:46
22.6°C
14:29
Lows: 11.5°C
04:37
9.9°C
05:00
 Wind from WSW WSW
4.0

Gusting: 5.3 mph
2 Bft - Light Breeze
Max Today: 16.4 at 09:56
Gust Month: 24.5 mph on Jun 6
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
June: 79.0 mm
Rain this Year: 514.4 mm
10 rain days this June
Last Rain: 11/06/2026 at 14:28
Tonight
Cloudy
Cloudy
14°C
Barometer Humidity / Dew Point Moon
Current: 1011.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Falling slowly
High: 1019.0  | Low: 1011.0
Humidity: 71 % Increased 6% since last hour
Humidex: 21.1°C
Dew Point: 12.9°C Decreased 0.5°C since last hour
Wet Bulb: 15.3°C
Waxing Crescent
Waxing Crescent, Moon at 0 days in cycle
1%
Illuminated
UVI Forecast Solar Information
15/06/2026   High   6.6   
16/06/2026   High   7.0   
17/06/2026   High   7.5   
Sunrise is at: 04:51
Solar Noon at: 13:06
Sunset is at: 21:21
Heat Index Cooling Degree Days Sun
Current: 18.3°C
Today: 22.6°C at 15:46
Yesterday: 22.6°C
Last Week: 25.3°C
Record: 34.2°C   19/07/2022
Today: 0.0
June: 0.0
2026 to Date: 33.0
Heating Degree Days
2026 to Date: 1379.5
Daylight: 16:30:00
+ 00:00:38
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 04:51
Sunset is at: 21:21
Moonrise is at: 04:32
Moonset is at: 22:19
Cloud Height: 2310 ft
Mon 15 June
Low Tide: 0507 0.8
High Tide: 1118 4.5
Low Tide: 1732 1.0
High Tide: 2337 4.6
Air Density: 1.202 kg/m3
New Moon: 15 June 2026
Full Moon: 29 June 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 22.7°C
Sys Check: 00:20
Sys Reset: 3 Days 4 Hours 33 Minutes 9 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:
3.4 at 18:15


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
22°C
Partly cloudy. High 22C. Winds WSW at 10 to 15 mph.
Tomorrow night
Cloudy
Cloudy
15°C
Cloudy. A few sprinkles possible. Low near 15C. Winds SW at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Cloudy
Cloudy
15°C
Wednesday
AM Clouds, PM Sun
AM Clouds, PM Sun
21°C
Wednesday night
Mostly Cloudy
Mostly Cloudy
15°C
Thursday
AM Clouds, PM Sun
AM Clouds, PM Sun
24°C
Thursday night
Partly Cloudy
Partly Cloudy
15°C
Friday
Partly Cloudy
Partly Cloudy
23°C