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Updated Live on: 21/03/2026 19:00 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 10.3°C, Max: 14.2°C, Min: 3.4°C 10.3°C Colder 1.7°C than last hour

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Feels like:  10°C

24-hr Difference
-1.9°CColder 1.9°C than yesterday at this time
Records Today Yesterday
Highs: 14.2°C
14:30
16.5°C
12:19
Lows: 3.4°C
06:06
3.1°C
06:06
 Calm N
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 6.4 at 09:32
Gust Month: 39.6 mph on Mar 12
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
March: 30.2 mm
Rain this Year: 391.0 mm
11 rain days this March
Last Rain: 17/03/2026 at 02:25
Tonight
Clear
Clear
0°C
Barometer Humidity / Dew Point Moon
Current: 1017.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1021.0  | Low: 1017.0
Humidity: 39 % Increased 2% since last hour
Humidex: 7.5°C
Dew Point: -3.1°C Decreased 0.9°C since last hour
Wet Bulb: 5.3°C
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
10%
Illuminated
UVI Forecast Solar Information
21/03/2026   Low   2.5   
22/03/2026   Low   2.6   
23/03/2026   Low   2.8   
Sunrise is at: 06:06
Solar Noon at: 12:12
Sunset is at: 18:20
Wind Chill Heating Degree Days Sun
Current: 10.3°C
Today: 3.3°C  at 06:24
Yesterday: 3.1°C
Last Week: 2.4°C
Record: -13.3°C   01/03/2018
Today: 8.9
March: 195.8
2026 to Date: 897.6
Cooling Degree Days
2026 to Date: 0.0
Daylight: 12:14:00
+ 00:03:54
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:06
Sunset is at: 18:20
Moonrise is at: 06:42
Moonset is at: 21:54
Cloud Height: 5614 ft
Sat 21 March
Low Tide: 0550 0.6
High Tide: 1149 4.8
Low Tide: 1809 0.5
Air Density: 1.248 kg/m3
New Moon: 19 March 2026
Full Moon: 2 April 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 17.6°C
Sys Check: 00:20
Sys Reset: 6 Days 7 Hours 29 Minutes 13 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:
32.6 at 19:00


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Cloudy
Mostly Cloudy
15°C
A mix of clouds and sun in the morning followed by cloudy skies during the afternoon. High near 15C. Winds light and variable.
Tomorrow night
Clouds Early, Clearing Late
Clouds Early, Clearing Late
5°C
Cloudy skies early, then partly cloudy after midnight. Low near 5C. Winds light and variable.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Clouds Early, Clearing Late
Clouds Early, Clearing Late
5°C
Monday
Cloudy
Cloudy
15°C
Monday night
Cloudy
Cloudy
8°C
Tuesday
Cloudy, Wind
Cloudy, Wind
13°C
Tuesday night
Showers Early
Showers Early
5°C
Wednesday
Partly Cloudy, Wind
Partly Cloudy, Wind
10°C