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Updated Live on: 18/07/2026 12:20 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 23.1°C, Max: 23.9°C, Min: 14.7°C 23.1°C Colder 0.5°C than last hour

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Feels like:  23°C

24-hr Difference
-6.9°CColder 6.9°C than yesterday at this time
Records Today Yesterday
Highs: 23.9°C
11:24
30.0°C
12:13
Lows: 14.7°C
05:35
15.1°C
05:19
 Calm NW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 5.0 at 09:10
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
Today
Partly Cloudy
Partly Cloudy
26°C
Barometer Humidity / Dew Point Moon
Current: 1019.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1019.0  | Low: 1015.0
Humidity: 44 % Decreased 4% since last hour
Humidex: 24.5°C
Dew Point: 10.2°C Decreased 1.9°C since last hour
Wet Bulb: 16.0°C
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
21%
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: 23.1°C
Today: 23.9°C at 11:24
Yesterday: 29.2°C
Last Week: 29.8°C
Record: 39.7°C   25/06/2026
Today: 0.0
July: 64.4
2026 to Date: 150.9
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: 5429 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: 1.193 kg/m3
New Moon: 14 July 2026
Full Moon: 29 July 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 26.5°C
Sys Check: 00:20
Sys Reset: 0 Days 22 Hours 47 Minutes 15 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:
27.7 at 12:20


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Partly Cloudy
Partly Cloudy
14°C
Partly cloudy. Low 14C. Winds NE at 5 to 10 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
25°C
Intervals of clouds and sunshine. High near 25C. Winds NNE at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
25°C
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
27°C
Tuesday night
Mostly Clear
Mostly Clear
15°C