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Updated Live on: 18/08/2025 20:10 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 17.9°C, Max: 20.4°C, Min: 14.9°C 17.9°C Colder 0.7°C than last hour

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Feels like:  18°C

24-hr Difference
-1.5°CColder 1.5°C than yesterday at this time
Records Today Yesterday
Highs: 20.4°C
15:22
24.7°C
15:12
Lows: 14.9°C
05:43
10.8°C
05:52
 Calm N
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 8.1 at 13:54
Gust Month: 15.0 mph on Aug 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
August: 3.1 mm
Rain this Year: 315.6 mm
3 rain days this August
Last Rain: 11/08/2025 at 23:16
Tonight
Cloudy
Cloudy
16°C
Barometer Humidity / Dew Point Moon
Current: 1017.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1022.0  | Low: 1017.0
Humidity: 79 % Increased 5% since last hour
Humidex: 21.4°C
Dew Point: 14.2°C Increased 0.2°C since last hour
Wet Bulb: 15.8°C
Waning Crescent
Waning Crescent, Moon at 24 days in cycle
22%
Illuminated
UVI Forecast Solar Information
18/08/2025   High   6.1   
19/08/2025   Medium   5.7   
20/08/2025   Medium   5.6   
Sunrise is at: 05:57
Solar Noon at: 13:09
Sunset is at: 20:20
Wind Chill Heating Degree Days Sun
Current: 17.9°C
Today: 14.9°C  at 07:25
Yesterday: 10.6°C
Last Week: 10.6°C
Record: -13.3°C   01/03/2018
Today: 1.8
August: 23.1
2025 to Date: 1484.0
Cooling Degree Days
2025 to Date: 65.5
Daylight: 14:23:00
-00:03:33
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:57
Sunset is at: 20:20
Moonrise is at: 00:56
Moonset is at: 17:48
Cloud Height: 1627 ft
Mon 18 August
Low Tide: 0006 1.8
High Tide: 0625 3.9
Low Tide: 1245 1.9
High Tide: 1900 4.0
Air Density: 1.210 kg/m3
New Moon: 24 July 2025
Full Moon: 9 August 2025
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 23.2°C
Sys Check: 00:20
Sys Reset: 5 Days 5 Hours 21 Minutes 18 Seconds
Highs: Lows:
35.2°C on:
19/07/2022
-8.2°C on:
10/01/2009
Avg Daytime Records
  29.2°C on: 19 Jul 2022   -4.0°C on: 01 Mar 2018
Avg Night Time Records
  24.8°C on: 20 Jul 2016   -6.1°C on: 10 Jan 2009
Soton & New Forest Fire Index
Currently:
0.9 at 20:10


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Cloudy
Cloudy
26°C
Cloudy. Warm. High 26C. Winds NE at 10 to 15 mph.
Tomorrow night
Cloudy
Cloudy
14°C
Cloudy skies. Low 14C. Winds NE at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Cloudy
Cloudy
14°C
Wednesday
AM Clouds, PM Sun
AM Clouds, PM Sun
21°C
Wednesday night
Mostly Clear
Mostly Clear
12°C
Thursday
Mostly Sunny
Mostly Sunny
22°C
Thursday night
Mostly Clear
Mostly Clear
10°C
Friday
Mostly Sunny
Mostly Sunny
22°C