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Updated Live on: 15/08/2026 08:35 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 18.2°C, Max: 21.6°C, Min: 16.8°C 18.2°C Warmer 1°C than last hour

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Feels like:  18°C

24-hr Difference
-0.9°CColder 0.9°C than yesterday at this time
Records Today Yesterday
Highs: 21.6°C
00:00
32.4°C
14:01
Lows: 16.8°C
06:36
17.1°C
05:42
 Calm NNW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 4.0 at 02:09
Gust Month: 14.1 mph on Aug 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
August: 0.0 mm
Rain this Year: 516.6 mm
45 days since it last rained
Last Rain: 30/06/2026 at 09:46
Today
Mostly Sunny
Mostly Sunny
29°C
Barometer Humidity / Dew Point Moon
Current: 1015.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1015.0  | Low: 1013.0
Humidity: 69 % Decreased 1% since last hour
Humidex: 20.7°C
Dew Point: 12.4°C Increased 0.8°C since last hour
Wet Bulb: 15.0°C
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
8%
Illuminated
UVI Forecast Solar Information
15/08/2026   Medium   5.3   
16/08/2026   Medium   5.2   
17/08/2026   High   6.0   
Sunrise is at: 05:52
Solar Noon at: 13:10
Sunset is at: 20:26
Wind Chill Heating Degree Days Sun
Current: 18.2°C
Today: 16.8°C  at 06:36
Yesterday: 17.1°C
Last Week: 17.0°C
Record: -13.3°C   01/03/2018
Today: 0.0
August: 1.4
2026 to Date: 1382.8
Cooling Degree Days
2026 to Date: 220.1
Daylight: 14:34:00
-00:03:28
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:52
Sunset is at: 20:26
Moonrise is at: 09:20
Moonset is at: 21:10
Cloud Height: 2488 ft
Sat 15 August
High Tide: 0045 4.7
Low Tide: 0658 0.5
High Tide: 1318 4.7
Low Tide: 1918 0.8
Air Density: 1.207 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 28.9°C
Sys Check: 00:20
Sys Reset: 0 Days 19 Hours 3 Minutes 54 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:
4.2 at 08:35


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Partly Cloudy
Partly Cloudy
16°C
Mostly clear this evening then becoming cloudy after midnight. Muggy. Low 16C. Winds NNE at 5 to 10 mph.
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
27°C
Cloudy skies early will become partly cloudy later in the day. Slight chance of a rain shower. High 27C. Winds WNW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
27°C
Tomorrow night
Partly Cloudy
Partly Cloudy
15°C
Monday
Mostly Cloudy
Mostly Cloudy
27°C
Monday night
Partly Cloudy
Partly Cloudy
17°C
Tuesday
PM Showers
PM Showers
25°C
Tuesday night
Showers Late
Showers Late
15°C