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Updated Live on: 16/08/2026 19:45 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 21.8°C, Max: 26.5°C, Min: 17.1°C 21.8°C Colder 1.6°C than last hour

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Feels like:  22°C

24-hr Difference
-2.1°CColder 2.1°C than yesterday at this time
Records Today Yesterday
Highs: 26.5°C
14:48
27.8°C
16:03
Lows: 17.1°C
06:35
16.8°C
06:36
 Calm WSW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 4.0 at 15:22
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
46 days since it last rained
Last Rain: 30/06/2026 at 09:46
Tonight
Partly Cloudy
Partly Cloudy
17°C
Barometer Humidity / Dew Point Moon
Current: 1015.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1017.0  | Low: 1015.0
Humidity: 74 % Increased 7% since last hour
Humidex: 27.1°C
Dew Point: 17.0°C  
Wet Bulb: 18.8°C
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
19%
Illuminated
UVI Forecast Solar Information
16/08/2026   Medium   5.3   
17/08/2026   Medium   5.9   
18/08/2026   Medium   5.9   
Sunrise is at: 05:54
Solar Noon at: 13:09
Sunset is at: 20:24
Heat Index Cooling Degree Days Sun
Current: 21.8°C
Today: 26.5°C at 14:48
Yesterday: 27.9°C
Last Week: 33.5°C
Record: 39.7°C   25/06/2026
Today: 0.9
August: 41.6
2026 to Date: 224.1
Heating Degree Days
2026 to Date: 1382.8
Daylight: 14:30:00
-00:03:30
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:54
Sunset is at: 20:24
Moonrise is at: 10:37
Moonset is at: 21:23
Cloud Height: 2100 ft
Sun 16 August
High Tide: 0125 4.6
Low Tide: 0737 0.6
High Tide: 1401 4.6
Low Tide: 1956 0.9
Air Density: 1.190 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 27.8°C
Sys Check: 00:20
Sys Reset: 2 Days 6 Hours 13 Minutes 52 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:
2.7 at 19:45


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
27°C
Cloudy skies early will become partly cloudy later in the day. Warm. High 27C. Winds WNW at 10 to 15 mph.
Tomorrow night
Mostly Clear
Mostly Clear
16°C
Generally fair. Low 16C. Winds W at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Clear
Mostly Clear
16°C
Tuesday
Cloudy
Cloudy
24°C
Tuesday night
Light Rain
Light Rain
15°C
Wednesday
Partly Cloudy
Partly Cloudy
23°C
Wednesday night
Partly Cloudy
Partly Cloudy
14°C
Thursday
Showers
Showers
22°C