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Updated Live on: 18/07/2026 20:15 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 20.7°C, Max: 24.7°C, Min: 14.7°C 20.7°C Colder 0.8°C than last hour

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Feels like:  21°C

24-hr Difference
-3.4°CColder 3.4°C than yesterday at this time
Records Today Yesterday
Highs: 24.7°C
15:27
30.0°C
12:13
Lows: 14.7°C
05:35
15.1°C
05:19
 Calm N
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 7.1 at 19:01
Gust Month: 13.8 mph on Jul 12
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
July: 0.0 mm
Rain this Year: 516.6 mm
17 days since it last rained
Last Rain: 30/06/2026 at 09:46
Tonight
Partly Cloudy
Partly Cloudy
13°C
Barometer Humidity / Dew Point Moon
Current: 1018.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1019.0  | Low: 1015.0
Humidity: 46 % Increased 1% since last hour
Humidex: 21.4°C
Dew Point: 8.7°C Decreased 0.4°C since last hour
Wet Bulb: 14.3°C
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
24%
Illuminated
UVI Forecast Solar Information
18/07/2026   High   6.7   
19/07/2026   High   6.3   
20/07/2026   High   6.3   
Sunrise is at: 05:12
Solar Noon at: 13:11
Sunset is at: 21:10
Heat Index Cooling Degree Days Sun
Current: 20.7°C
Today: 24.7°C at 15:27
Yesterday: 29.2°C
Last Week: 29.2°C
Record: 39.7°C   25/06/2026
Today: 0.4
July: 64.8
2026 to Date: 151.3
Heating Degree Days
2026 to Date: 1381.4
Daylight: 15:58:00
-00:02:17
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:12
Sunset is at: 21:10
Moonrise is at: 10:26
Moonset is at: 22:51
Cloud Height: 5066 ft
Sat 18 July
High Tide: 0154 4.5
Low Tide: 0804 0.7
High Tide: 1528 4.6
Low Tide: 2026 1.0
Air Density: 1.202 kg/m3
New Moon: 14 July 2026
Full Moon: 29 July 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 27.0°C
Sys Check: 00:20
Sys Reset: 1 Days 6 Hours 42 Minutes 18 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:
24.1 at 20:15


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
25°C
Partly cloudy skies. High near 25C. Winds NNE at 10 to 15 mph.
Tomorrow night
Mostly Clear
Mostly Clear
12°C
A few clouds overnight. Low 12C. Winds NE at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Clear
Mostly Clear
12°C
Monday
Partly Cloudy
Partly Cloudy
26°C
Monday night
Mostly Clear
Mostly Clear
13°C
Tuesday
Mostly Sunny
Mostly Sunny
26°C
Tuesday night
Mostly Clear
Mostly Clear
15°C
Wednesday
Partly Cloudy
Partly Cloudy
27°C