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Updated Live on: 17/09/2025 10:55 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy -  light drizzle

Currently 14.7°C, Max: 14.8°C, Min: 11.9°C 14.7°C Warmer 0.3°C than last hour

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Feels like:  14°C

24-hr Difference
0.2°CWarmer 0.2°C than yesterday at this time
Records Today Yesterday
Highs: 14.8°C
10:46
17.3°C
14:57
Lows: 11.9°C
00:58
10.3°C
06:57
 Wind from SW SW
6.0

Gusting: 10.7 mph
2 Bft - Light Breeze
Max Today: 15.0 at 10:20
Gust Month: 23.1 mph on Sep 3
Rain Today: 1.3 mm
Last Rain at: 07:14
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 94.8 mm
Rain this Year: 454.5 mm
13 rain days this September
Today
PM Drizzle, Wind
PM Drizzle, Wind
19°C
Barometer Humidity / Dew Point Moon
Current: 1017.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Steady
High: 1021.0  | Low: 1016.0
Humidity: 98 %  
Humidex: 18.3°C
Dew Point: 14.4°C Increased 0.3°C since last hour
Wet Bulb: 14.5°C
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
20%
Illuminated
UVI Forecast Solar Information
17/09/2025   Medium   4.1   
18/09/2025   Medium   3.9   
19/09/2025   Medium   3.9   
Sunrise is at: 06:44
Solar Noon at: 12:59
Sunset is at: 19:14
Wind Chill Heating Degree Days Sun
Current: 13.5°C
Today: 10.5°C  at 05:15
Yesterday: 9.1°C
Last Week: 7.4°C
Record: -13.3°C   01/03/2018
Today: 2.8
September: 75.8
2025 to Date: 1589.1
Cooling Degree Days
2025 to Date: 65.7
Daylight: 12:30:00
-00:03:50
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:44
Sunset is at: 19:14
Moonrise is at: 01:11
Moonset is at: 17:51
Cloud Height: 234 ft
Wed 17 September
Low Tide: 0144 1.9
High Tide: 0806 3.9
Low Tide: 1429 2.0
High Tide: 2043 4.0
Air Density: 1.223 kg/m3
New Moon: 23 August 2025
Full Moon: 7 September 2025
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.1°C
Sys Check: 00:20
Sys Reset: 1 Days 23 Hours 28 Minutes 1 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 10:55


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Drizzle
Drizzle
17°C
Cloudy with drizzle expected. Low 17C. Winds SW at 10 to 20 mph.
Tomorrow
AM Drizzle
AM Drizzle
19°C
Cloudy with occasional drizzle...mainly in the morning. High 19C. Winds SW at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Drizzle
AM Drizzle
19°C
Tomorrow night
Cloudy
Cloudy
15°C
Friday
AM Clouds, PM Sun
AM Clouds, PM Sun
22°C
Friday night
Partly Cloudy
Partly Cloudy
13°C
Saturday
PM Showers
PM Showers
20°C
Saturday night
Partly Cloudy
Partly Cloudy
11°C