Updated09/08/2020 12:05 
 
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WXSIM threat forecast for Northampton, initialized at 6:00 24 Sep, 2020
No Hazards
Significant weather events are not anticipated in the forecast period.
* THIS FORECAST WAS MADE IN AUTOMATED MODE AND MAY BE LESS ACCURATE THAN OTHERWISE *
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METRIC | IMPERIAL
Updated: 09/08/2020 @ 21:05  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.6°C than last hour.

21.3°C

---
High Today
26.3°C
5:23 PM
Low Today
15.1°C
4:30 AM
Yest High
26.7°C
1:35 PM
Yest Low
16.4°C
11:57 PM
Sta* High
29.4°C
2012
Sta* Low
9.8°C
2011
* This Station's Records Since 4/2009
Official Record High
<!-- fixupCondition in='Dusk/Dry ' out='Dusk, Dry' ocnt='2' --><!-- vals split on slash -->
Dusk, Dry Dusk, Dry

Wind from NNE Wind:  NNE
2.5

Gusting to:
0.9 mph
Current Rain Rain:
0.0 mm
Chandler Burning Index: LOW Current CBI
Fire Danger:
1.2 of 100
Today

Chance rain
Chance rain
Tonight

Fog late
Fog late
Friday

Mostly Cloudy
Mostly Cloudy
High: 14° Low: 6° High: 14°

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.5°C since last hour. 17.5°C
Last Hour: Decreased 0.5°C since last hour. 0.5°C
High 5:23 PM: 19.0°C
Low 4:30 AM: 13.8°C
Record High: 45.4°C on
11-Apr-2015
Record Low: -49.5°C on
11-Apr-2015
Wetbulb: 19.0°C
Rain Today
rain graph

Today: 0.00 mm
Yesterday: 0.20 mm
Last 7 Days: 0.20 mm
Aug Rain: 68.70 mm
Aug to Date
  Avg:10
15.90 mm
Aug to Date
  Diff from Avg:10
Over 52.8 mm for the month 52.80 mm
Aug Avg: 35.00 mm
Diff from Avg: Over 33.7 mm for the month 33.70 mm
Season:1 91.7 mm
YTD
  Avg:11
384.70 mm
YTD
  Diff from Avg:11
Under 293 mm for the year 293.00 mm
Last Rain
Time/Date:
8-Aug-2020
at 6:34 AM
42 rain days in 2020
1 day in August
1 day since last rain
Current: NNE  2.5 mph
1Hr Average: 2.8 mph
Wind Run: 63.18 miles
Wind Gust
Current: 0.9 mph
Today: 15.0 mph 12:12 AM
Month: 21.7 mph 5-Aug
Year: 34.0 mph 13-Jan
Record Gust: 50.0 mph
27-Feb-2010
Sunlight:
15 hrs 2 min
of Sunlight Today
graph 62.6% 37.4%
Which is
3 min 32 sec Shorter
Than Yesterday
 
Morning Crescent, 6 days, 20 hours, 0 minutes in cycle
22%
Illuminated
Humidity Barometer
Current: Increased 5% since last hour. 79%
Last Hour: Increased 5% since last hour. 5%
High 6:28 AM: 94%
Low 5:03 PM: 63%
Record High: 100%
23-Jan-2016
Record Low: 0%
24-Nov-2015
Current: Rising 0.1  mb/hr 1015.5 mb
Last Hour: Steady
High 1:25 AM: 1020.3
Low 6:40 PM: 1015.1
Record High: 1060.0 mb
15-Jun-2015
Record Low: 846.8 mb
5-May-2010
Heating Degree Days Snow3 Wind Chill Thermometer
Today: 1.3
Aug: 5.1
2020 to Date: 736.8
Cooling Degree Days
2020 to Date: 54.1
Today: 0.00 cm
Yesterday: 0.00 cm
Aug Snow: No Change 0.00 cm
Aug Avg: 0.00 cm
Diff from Avg: 0.00 cm
Season Total:2 0.00 cm
Snow Depth: 0.00 cm
0 snow days in August
0 snow days this season.2
First Snow of Season:
--
Average 1st Snow:
Current: 21.3°C
Low 4:30 AM: 15.1°C
Yesterday: 16.4°C
Record: -47.6°C
11-Apr-2015
1015.5

21.3°C Colder 1.6°C than last hour.
---
Currently 21.3, Max: 26.3, Min: 15.1
Feels like:
21°C

24-hr
difference
-4.1°CColder 4.1°C than yesterday at this time.
UV Summary/Forecast Solar Summary
High Today:   5.0 @ 12:32 PM
Sep-25

2.7
Sep-26

2.5
Sep-27

2.7
High Today:  
958 W/m2 @ 12:29 PM
Sun Hours Today:
04:09
   This Month: 39:52 Hrs
Rise: 05:37  Set: 20:39
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 12.9°C
Sunrise: 05:37
Sunset: 20:39
Moonrise: 23:10
Moonset: 11:40
Full Moon: August--2020
New Moon: 02:42 UTC
August--2020
Updated at Midnight
Current ET: 4.40 mm
7-Days Rain: 0.20 mm
7-Days ET: 31.10 mm
7-Day:  30.9 mm water in deficit of what evaporated in last 7 days. 30.9 mm
August:  158.3 mm water in deficit of what evaporated this month. 158.3 mm
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HIGHS: LOWS:
59.1°C
11-Apr-2015
-47.6°C
11-Apr-2015
Daytime Records
  36.8°C
30-Jun-2015
  -4.8°C
28-Feb-2018
Nitetime Records
  27.6°C
10-Jul-2010
  -7.5°C
20-Dec-2010
ICN:13 | S3C2:1 | 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.   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).   6 Cloud hieght from METAR data.   10 Historical average only to day 24 of just the month of September for this station since 2010.   11 Historical average rain this season to day 24 of September for this station since 2010.
  Weather Forecast  -   Outlook Today & Tonight
Today

Chance rain
Chance rain
High: 14°
WXSIM forecast: Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 14°. Wind southwest around 11 kts, gusting to 22 kts. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Local station forecast: Increasing clouds with little temp change.
Tonight

Fog late
Fog late
Low: 6°
WXSIM forecast: Fair to partly cloudy in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Cool. Low 6°. Wind southwest around 4 kts in the evening, becoming north-northwest after midnight.
  Short Term Weather Forecast
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Clear
Clear
Saturday

Sunny
Sunny
Saturday
night
Mostly Clear
Mostly Clear
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
High: 14° Low: 5° High: 13° Low: 5° High: 14° Low: 6° High: 18°
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