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Updated Live on: 19/09/2025 00:05 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 14.3°C, Max: 14.3°C, Min: 14.3°C 14.3°C Colder 0.2°C than last hour

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Feels like:  14°C

24-hr Difference
-0.4°CColder 0.4°C than yesterday at this time
Records Today Yesterday
Highs: 14.3°C
00:00
19.1°C
13:33
Lows: 14.3°C
00:00
14.2°C
22:16
 Calm SW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 0.0 at 00:00
Gust Month: 23.1 mph on Sep 3
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.3 mm
September: 96.1 mm
Rain this Year: 455.8 mm
14 rain days this September
Last Rain: 18/09/2025 at 05:00
Tonight
Partly Cloudy
Partly Cloudy
14°C
Barometer Humidity / Dew Point Moon
Current: 1023.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1023.0  | Low: 1022.0
Humidity: 98 %  
Humidex: 17.7°C
Dew Point: 14.0°C Decreased 0.1°C since last hour
Wet Bulb: 14.1°C
Waning Crescent
Waning Crescent, Moon at 26 days in cycle
8%
Illuminated
UVI Forecast Solar Information
19/09/2025   Medium   4.0   
20/09/2025   Medium   3.9   
21/09/2025   Medium   3.3   
Sunrise is at: 06:45
Solar Noon at: 12:59
Sunset is at: 19:12
Wind Chill Heating Degree Days Sun
Current: 14.3°C
Today: 14.3°C  at 00:00
Yesterday: 13.6°C
Last Week: 7.4°C
Record: -13.3°C   01/03/2018
Today: 2.8
September: 79.8
2025 to Date: 1593.1
Cooling Degree Days
2025 to Date: 65.7
Daylight: 12:27:00
-00:03:49
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:45
Sunset is at: 19:12
Moonrise is at: 02:32
Moonset is at: 18:11
Cloud Height: 233 ft
Fri 19 September
Low Tide: 0344 1.4
High Tide: 1021 4.4
Low Tide: 1605 1.5
High Tide: 2230 4.4
Air Density: 1.232 kg/m3
New Moon: 23 August 2025
Full Moon: 7 September 2025
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.3°C
Sys Check: 00:20
Sys Reset: 3 Days 12 Hours 38 Minutes 0 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:
-1.9 at 00:05


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Sunny
Mostly Sunny
23°C
Sun and a few passing clouds. Warm. High 23C. Winds S at 5 to 10 mph.
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Mostly cloudy. Low 14C. Winds SW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Saturday
PM Showers
PM Showers
18°C
Saturday night
Partly Cloudy
Partly Cloudy
9°C
Sunday
Partly Cloudy
Partly Cloudy
16°C
Sunday night
Partly Cloudy
Partly Cloudy
7°C
Monday
Mostly Sunny
Mostly Sunny
16°C