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WXSIM threat forecast for Plymouth, initialized at 7:00 AM May 15, 2026
Significant Rain
There is a 70 percent chance of rain Monday Night. The rain will be heavy at times. Total rainfall of between 5 and 10 millimeters are possible.

* THIS FORECAST WAS MADE IN AUTOMATED MODE AND MAY BE LESS ACCURATE THAN OTHERWISE *
METRIC | IMPERIAL
Updated: 15/05/2026 @ 09:30   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.6°C than last hour.

11.1°C

---
High Today
12.2°C
08:42
Low Today
5.7°C
02:07
Yest High
11.7°C
11:52
Yest Low
6.6°C
06:07
Sta* High
22.2°C
2025
Sta* Low
4.4°C
2020
* This Station's Records Since 12/2010
Mainly cloudy, Dry Mainly cloudy, Dry

Wind from NNW Wind:  NNW
2.9

Gusting to:
4.0 mph
Current Rain Rain:
0.2 mm
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
0.1 of 232
Today

Partly Cloudy
Partly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Saturday

Overcast
Overcast
High: 14°C Low: 7°C High: 15°C
Meteociel
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.4°C since last hour. 7.7°C
Last Hour: Decreased 0.4°C since last hour. -0.4°C
High 07:35: 8.7°C
Low 02:07: 4.0°C
Record High: 22.7°C on
9-Sep-2023
Record Low: -34.9°C on
11-Jan-2021
Wetbulb: 9.4°C
Leaf Wet:7 15
Today: 0.20 mm
Storm Rain: 7.6 mm
Yesterday: 5.20 mm
Last 7 Days: 7.40 mm
May Rain: 27.60 mm
May to Date
  Avg:10
27.14 mm
May to Date
  Diff from Avg:10
Over 0.46 mm for the month 0.46 mm
May Avg: 53.20 mm
Diff from Avg: Under 25.6 mm for the month 25.60 mm
Season:1 574.8 mm
YTD
  Avg:11
330.84 mm
YTD
  Diff from Avg:11
Over 243.96 mm for the year 243.96 mm
Last Rain
Time/Date:
15-May-2026
at 06:38
86 rain days in 2026
5 days in May
0 days since last rain
Current: NNW  2.9 mph
1Hr Average: 2.8 mph
Wind Run: 17.77 miles
Wind Gust
Current: 4.0 mph
Today: 9.2 mph 08:54
Month: 32.0 mph 13-May
Year: 52.0 mph 8-Jan
Record Gust: 63.3 mph
18-Feb-2022
Sunlight:
15 h 26 m 60 s
of Sunlight Yesterday
15 h 29 m 49 s
of Sunlight Today
Which is
2 min 49 sec longer than
yesterday
15 h 32 m 38 s
of Sunlight Tomorrow
(Noon ?>) graph (Midnight

Waning Crescent
Waning Crescent, 27 days, 20 hours, 42 minutes in cycle
3%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 80%
Last Hour: Increased 1% since last hour. 1%
High 07:15: 93%
Low 08:45: 75%
Record High: 100%
16-Jan-2011
Record Low: 0%
6-Aug-2020
Current: Rising 0.1  hPa/hr 1011.6 hPa
Last Hour: Steady
High 09:29: 1011.6
Low 00:00: 1008.2
Record High: 1051.0 hPa
20-Jan-2020
Record Low: 954.7 hPa
2-Nov-2023
Heating Degree Days Lightning Strikes <30 Miles Wind Chill
Today: 3.4
May: 87.5
2026 to Date: 824.3
Cooling Degree Days
2026 to Date: 1.6
Last Min: 0
Last 30 Mins: 0
Last 60 Mins: 0
Last 12 Hrs: 0
May: 0
2026 to Date: 0
Last
Strike:
18:20:59
23-Oct-2024
Last Bearing: 0
Last Distance: 0 miles
Current: 11.1°C
Low 04:08: 4.5°C
Yesterday: 3.8°C
Record: -12.8°C
1-Mar-2018
Current UV Index Current Solar Energy9
1.8
Sunburn in
62 Minutes
Highest:
09:25
2.2
555 W/m2
98%
W/m2 SI
High Today:
09:17
626  W/m2
Record:
1359 W/m2
Soil Conditions8 Irrigation Index5 Station All Time Records Cloud Level
0.375 in: 142.0 cb | 11°C
0.19 in: 11°C

Growing conditions
at the depth of:  0.375 in:


Soil moisture range is from
0-Wet to 200-Dry/Frozen
Updated at Midnight
Current ET: 1.30 mm
7-Days Rain: 7.40 mm
7-Days ET: 24.60 mm
7-Day:  17.2 mm water in deficit of what evaporated in last 7 days. 17.2 mm
May:  12.2 mm water in deficit of what evaporated this month. 12.2 mm
HIGHS: LOWS:
35.6°C
18-Jul-2022
-5.0°C
3-Feb-2012
Daytime Records
  32.8°C°C
18-Jul-2022
  -3.4°C°C
01-Mar-2018
Nitetime Records
  27.5°C°C
19-Jul-2022
  -4.8°C°C
01-Mar-2018
ICN:3 | S3C2:4 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:97%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   4 Updated at Noon.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   7 Leaf Wetness is surface moisture on foliage. 0 being totally dry and 15 being totally saturated.   8 Soil moisture and temperatures are from sensors burried in the ground at the levels specified.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 15 of just the month of May for this station since 2010.   11 Historical average rain this season to day 15 of May for this station since 2010.
 WXSIM Weather Forecast  -   Outlook Today & Tonight
Today

Partly Cloudy
Partly Cloudy
High: 14°C
WXSIM forecast: Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 14°. UV index up to 7. Wind north-northwest around 11 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Tonight

Mostly Cloudy
Mostly Cloudy
Low: 7°C
WXSIM forecast: Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 7°. Wind north-northwest around 9 mph, gusting to 22 mph, in the evening, becoming west around 3 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
 WXSIM Short Term Weather Forecast
Saturday

Overcast
Overcast
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Cloudy
Cloudy
Sunday
night
Rain likely
Rain likely
Monday

Chance rain
Chance rain
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
High: 15°C Low: 9°C High: 14°C Low: 8°C High: 14°C Low: 10°C High: 18°C
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