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Updated Live on: 19/08/2026 11:30 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy

Currently 20.6°C, Max: 20.6°C, Min: 14.9°C 20.6°C Warmer 3.8°C than last hour

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Feels like:  21°C

24-hr Difference
-1.2°CColder 1.2°C than yesterday at this time
Records Today Yesterday
Highs: 20.6°C
11:29
25.3°C
15:17
Lows: 14.9°C
05:09
16.0°C
03:13
 Calm SE
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 5.3 at 00:30
Gust Month: 14.1 mph on Aug 4
Rain Today: 5.2 mm
Last Rain at: 09:56
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
August: 5.2 mm
Rain this Year: 521.8 mm
1 rain day this August
Today
Partly Cloudy
Partly Cloudy
24°C
Barometer Humidity / Dew Point Moon
Current: 1004.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Falling slowly
High: 1008.0  | Low: 1003.0
Humidity: 86 % Decreased 12% since last hour
Humidex: 26.7°C
Dew Point: 18.2°C Increased 1.8°C since last hour
Wet Bulb: 19.1°C
Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
44%
Illuminated
UVI Forecast Solar Information
19/08/2026   Medium   5.4   
20/08/2026   Medium   4.7   
21/08/2026   Medium   4.7   
Sunrise is at: 05:58
Solar Noon at: 13:09
Sunset is at: 20:18
Heat Index Cooling Degree Days Sun
Current: 20.6°C
Today: 20.6°C at 11:29
Yesterday: 25.3°C
Last Week: 33.5°C
Record: 39.7°C   25/06/2026
Today: 0.0
August: 47.8
2026 to Date: 230.3
Heating Degree Days
2026 to Date: 1383.7
Daylight: 14:20:00
-00:03:33
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:58
Sunset is at: 20:18
Moonrise is at: 14:23
Moonset is at: 22:15
Cloud Height: 1104 ft
Wed 19 August
High Tide: 0339 4.1
Low Tide: 0929 1.3
High Tide: 1616 4.2
Low Tide: 2151 1.6
Air Density: 1.181 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 24.8°C
Sys Check: 00:20
Sys Reset: 4 Days 21 Hours 58 Minutes 50 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:
-0.3 at 11:30


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Clear
Mostly Clear
14°C
A few passing clouds. Low 14C. Winds WSW at 10 to 15 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
22°C
Intervals of clouds and sunshine. Slight chance of a rain shower. High 22C. Winds W at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
22°C
Tomorrow night
Partly Cloudy
Partly Cloudy
11°C
Friday
PM Showers
PM Showers
21°C
Friday night
Partly Cloudy
Partly Cloudy
11°C
Saturday
Mostly Sunny
Mostly Sunny
22°C
Saturday night
Mostly Clear
Mostly Clear
10°C