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Updated Live on: 18/09/2026 09:35 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 14.0°C, Max: 14.0°C, Min: 9.9°C 14.0°C Warmer 1.6°C than last hour

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Feels like:  14°C

24-hr Difference
-0.7°CColder 0.7°C than yesterday at this time
Records Today Yesterday
Highs: 14.0°C
09:35
18.6°C
15:37
Lows: 9.9°C
06:07
11.3°C
23:57
 Calm W
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 5.3 at 08:05
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 1.2 mm
September: 32.0 mm
Rain this Year: 572.8 mm
8 rain days this September
Last Rain: 17/09/2026 at 11:00
Today
Mostly Cloudy
Mostly Cloudy
20°C
Barometer Humidity / Dew Point Moon
Current: 1016.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1016.0  | Low: 1013.0
Humidity: 83 % Decreased 8% since last hour
Humidex: 15.8°C
Dew Point: 11.2°C Increased 0.2°C since last hour
Wet Bulb: 12.5°C
Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
45%
Illuminated
UVI Forecast Solar Information
18/09/2026   Medium   3.8   
19/09/2026   Medium   3.7   
20/09/2026   Medium   3.7   
Sunrise is at: 06:45
Solar Noon at: 12:59
Sunset is at: 19:13
Wind Chill Heating Degree Days Sun
Current: 14.0°C
Today: 9.5°C  at 02:33
Yesterday: 10.7°C
Last Week: 9.4°C
Record: -13.3°C   01/03/2018
Today: 3.0
September: 42.0
2026 to Date: 1442.5
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:28:00
-00:03:49
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:45
Sunset is at: 19:13
Moonrise is at: 15:27
Moonset is at: 22:06
Cloud Height: 1276 ft
Fri 18 September
High Tide: 0340 4.0
Low Tide: 0924 1.7
High Tide: 1603 4.0
Low Tide: 2146 1.9
Air Density: 1.227 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.2°C
Sys Check: 00:20
Sys Reset: 6 Days 20 Hours 6 Minutes 28 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:
-0.3 at 09:35


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Drizzle Late
Drizzle Late
16°C
Cloudy with drizzle developing overnight. Low 16C. Winds SW at 10 to 20 mph.
Tomorrow
Cloudy
Cloudy
20°C
Overcast. A few sprinkles possible. High around 20C. Winds WSW at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Cloudy
Cloudy
20°C
Tomorrow night
Cloudy
Cloudy
15°C
Sunday
AM Clouds, PM Sun
AM Clouds, PM Sun
20°C
Sunday night
Partly Cloudy
Partly Cloudy
9°C
Monday
Partly Cloudy
Partly Cloudy
23°C
Monday night
Clear
Clear
13°C