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Updated Live on: 16/05/2026 04:20 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 5.0°C, Max: 8.2°C, Min: 4.9°C 5.0°C Colder 0.9°C than last hour

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Feels like:  5°C

24-hr Difference
0.5°CWarmer 0.5°C than yesterday at this time
Records Today Yesterday
Highs: 8.2°C
00:00
15.6°C
11:25
Lows: 4.9°C
04:15
4.3°C
05:05
 Calm NE
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 3.3 at 00:32
Gust Month: 15.0 mph on May 8
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 4.7 mm
May: 16.8 mm
Rain this Year: 421.8 mm
6 rain days this May
Last Rain: 15/05/2026 at 18:30
Today
PM Light Rain
PM Light Rain
14°C
Barometer Humidity / Dew Point Moon
Current: 1008.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1009.0  | Low: 1008.0
Humidity: 89 % Increased 2% since last hour
Humidex: 3.8°C
Dew Point: 3.3°C Decreased 0.6°C since last hour
Wet Bulb: 4.3°C
Waning Crescent
Waning Crescent, Moon at 28 days in cycle
1%
Illuminated
UVI Forecast Solar Information
16/05/2026   Medium   5.2   
17/05/2026   Medium   4.8   
18/05/2026   Medium   5.3   
Sunrise is at: 05:14
Solar Noon at: 13:01
Sunset is at: 20:49
Wind Chill Heating Degree Days Sun
Current: 5.0°C
Today: 4.9°C  at 04:15
Yesterday: 3.1°C
Last Week: 3.2°C
Record: -13.3°C   01/03/2018
Today: 1.9
May: 93.2
2026 to Date: 1285.4
Cooling Degree Days
2026 to Date: 0.0
Daylight: 15:35:00
+ 00:02:53
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:14
Sunset is at: 20:49
Moonrise is at: 04:31
Moonset is at: 20:54
Cloud Height: 790 ft
Sat 16 May
Low Tide: 0436 0.8
High Tide: 1038 4.6
Low Tide: 1657 0.8
High Tide: 2259 4.7
Air Density: 1.259 kg/m3
New Moon: 17 April 2026
Full Moon: 1 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 17.7°C
Sys Check: 00:20
Sys Reset: 0 Days 16 Hours 2 Minutes 30 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:
-1.7 at 04:20


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Light Rain Early
Light Rain Early
8°C
Cloudy with light rain this evening. Low 8C. Winds WSW at 5 to 10 mph. Chance of rain 50%.
Tomorrow
PM Showers
PM Showers
15°C
Cloudy skies early. A few showers developing later in the day. High near 15C. Winds W at 10 to 15 mph. Chance of rain 30%.
Short Term Weather Forecast for the Southampton Area
Tomorrow
PM Showers
PM Showers
15°C
Tomorrow night
Showers
Showers
8°C
Monday
AM Showers
AM Showers
15°C
Monday night
Rain
Rain
11°C
Tuesday
Rain
Rain
15°C
Tuesday night
Mostly Cloudy
Mostly Cloudy
12°C