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Updated Live on: 20/08/2026 21:10 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 15.8°C, Max: 21.9°C, Min: 13.7°C 15.8°C Colder 1.7°C than last hour

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Feels like:  16°C

24-hr Difference
-1°CColder 1°C than yesterday at this time
Records Today Yesterday
Highs: 21.9°C
11:38
22.6°C
12:12
Lows: 13.7°C
03:48
14.7°C
23:59
 Calm N
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 11.4 at 17:42
Gust Month: 14.1 mph on Aug 4
Rain Today: 0.1 mm
Last Rain at: 15:44
Rate (mm/hr): 0.0 mm
Yesterday: 5.9 mm
August: 6.1 mm
Rain this Year: 522.7 mm
2 rain days this August
Tonight
Showers Early
Showers Early
11°C
Barometer Humidity / Dew Point Moon
Current: 1008.0 mb Rising 2 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Rising
High: 1008.0  | Low: 1003.0
Humidity: 73 % Increased 8% since last hour
Humidex: 17.5°C
Dew Point: 11.0°C Increased 0.1°C since last hour
Wet Bulb: 13.2°C
Waxing Gibbous
Waxing Gibbous, Moon at 8 days in cycle
57%
Illuminated
UVI Forecast Solar Information
20/08/2026   Medium   4.8   
21/08/2026   Medium   4.7   
22/08/2026   Medium   4.5   
Sunrise is at: 06:00
Solar Noon at: 13:08
Sunset is at: 20:16
Wind Chill Heating Degree Days Sun
Current: 15.8°C
Today: 13.1°C  at 02:49
Yesterday: 14.7°C
Last Week: 13.2°C
Record: -13.3°C   01/03/2018
Today: 2.5
August: 4.5
2026 to Date: 1385.9
Cooling Degree Days
2026 to Date: 230.3
Daylight: 14:16:00
-00:03:35
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:00
Sunset is at: 20:16
Moonrise is at: 15:35
Moonset is at: 22:43
Cloud Height: 2096 ft
Thu 20 August
High Tide: 0435 3.9
Low Tide: 1010 1.7
High Tide: 1705 4.0
Low Tide: 2238 1.9
Air Density: 1.209 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 24.1°C
Sys Check: 00:20
Sys Reset: 6 Days 7 Hours 38 Minutes 46 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:
2.4 at 21:10


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
PM Showers
PM Showers
21°C
Mostly sunny skies during the morning hours will give way to occasional showers in the afternoon. High 21C. Winds N at 5 to 10 mph. Chance of rain 60%.
Tomorrow night
Partly Cloudy
Partly Cloudy
10°C
Partly cloudy skies. Low near 10C. Winds N at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Partly Cloudy
Partly Cloudy
10°C
Saturday
Mostly Sunny
Mostly Sunny
23°C
Saturday night
Partly Cloudy
Partly Cloudy
10°C
Sunday
Mostly Sunny
Mostly Sunny
24°C
Sunday night
Mostly Clear
Mostly Clear
12°C
Monday
Partly Cloudy
Partly Cloudy
24°C