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FROST ADVISORY - Northern Grafton County - Northern Carroll County - Southern Grafton County - Southern Carroll County - Sullivan County - Merrimack County - Belknap County - Cheshire County - West & Central Hillsborough County

FLOOD WARNING - Merrimack County - Belknap County - West & Central Hillsborough County

	Good Afternoon and Welcome !
Radar courtesy of Weatherstreet
Satellite courtesy of NOAA.gov

Updated :

Temperature

Current Conditions

Forecast / Storm Prediction

Currently Outside: 61.2°F Current Trend: /hr 24hr Temp Difference: Feels Like: 61°F Temp Feels: ---
Todays High 62.3°F 2:33 PM	Todays Low 42.2°F 5:23 AM
Yesterdays High 57.8°F 6:02 PM	Yesterdays Low 46.8°F 2:26 AM
Station Record High 79.8°F 2007	Station Record Low 29.0°F 2010
NOAA Record High For This Day 85°F 2001	NOAA Record Low For This Day 28°F 2010
NOAA Average High For This Day 67°F	NOAA Average Low For This Day 42°F



	Clear
	Wind: WSW 0.5 Gusting to: 0.0 mph
Beaufort Wind Scale: 0
	Rain: 0.00 in
Chandler Burning Index 101.6 Extreme
CBI High Today: 112.1 Extreme
Current Visibility 9 mi.
Current UV Index: 3.6 Moderate

This Afternoon Sunny	Tonight Mostly Clear then Patchy Frost	Monday Sunny
Hi 63 °F	Lo 33 °F	Hi 74 °F

A sunburn can occur in as few as 31 minutes at the current UV Index level.

Dew Point

Liquid Precipitation

Wind Speed

Sun/Moon

Feels:
Current:	17.3°F
Last Hour:	1.6°F
High 1:30 AM:	43.3°F
Low 2:42 PM:	14.6°F
Record High:	79.5°F on 8-14-2016
Record Low:	-41.1°F on 2-3-2023
Wetbulb:	45.4°F

Rain Today
Today:	0.00 in
Current Rate (/hr):	0.000 in
Last 3 hrs:	0.00 in
Last 6 hrs:	0.00 in
Last 24 hrs:	0.00 in
Yesterday:	0.64 in
Last 7 Days:	2.87 in
May Rain:	3.00 in
May to Date Avg:¹⁰	0.90 in
May to Date Diff from Avg:¹⁰	2.10 in
May Avg:	0.00 in
Diff from Avg:	3.00 in
Season:¹	10.42 in
YTD Avg:¹¹	8.25 in
YTD Diff from Avg:¹¹	2.17 in
Max Rain Rate/Min:	0.00 in
Max Rain Rate/Hr:	0.000 in
Last Rain Time/Date:	5/10/2025 -- at 10:24 AM
50 rain days in 2025
9 days in May 0 days since last rain

Current:	WSW 0.5 mph
15 min Average:	0.0 mph
30 min Average:	0.8 mph
60 min Average:	0.3 mph
120 min Average:	1.1 mph
Wind Run:	20.41 miles
Wind Gust
Current:	0.0 kts mph
Today:	17.0 mph 8:21 AM
Month:	16.5 mph May-11
Year:	24.3 mph Feb-7
Record Gust:	37.0 mph 2-17-2006

Sunrise Today: 5:29 am
Sunset Today: 8:01 pm

Sun Current Azimuth: 259.38°
Sun Current Altitude: 37.54°
Currently: Day

Sunlight:

14 hrs 32 min
of Sunlight Today

60.6% 39.4%
Which is
2 min 17 sec Longer
Than Yesterday

99%
Illuminated

Moonrise: 7:29 pm
Moonset: 4:35 am

Moon Current Azimuth: 86.81°
Moon Current Altitude: -31.2°
Currently: Below Horizon

Humidity

Barometer

Current:	18%
Last Hour:	1%
Humidex High :	56.5°F
Humidex Low :	40.2°F
High 5:39 AM:	90%
Low 2:32 PM:	16%
Record High:	100% 11-26-2007
Record Low:	0% 6-7-2006

Current:	30.131 inHg
Last Hour:	Steady
Change in 3 hrs:	+0.002 inHg
Change in 6 hrs:	+0.009 inHg
Change in 12 hrs:	+0.154 inHg
Change in 24 hrs:	+0.332 inHg
High 2:52 PM:	30.140 in.
Low 1:27 AM:	29.936 in.
Record High:	30.862 inHg 12-14-2024
Record Low:	28.632 inHg 12-23-2022

Heating Degree Days

Lightning Strikes

Wind Chill

Air Quality

Today:	12.2
May:	105.6
2025 to Date:	4053.8
Cooling Degree Days
2025 to Date:	0.0

Lightning Index:
Last Minute:	0
Last 30 Minutes:	0
Last 60 Minutes:	0
Last 12 Hrs:	0
May:	0
2025 to Date:	9058
Last Strike:	06:37:21 04-23-2025
Last Bearing:	°
Last Distance:	miles

Current:	61.2°F
Low 5:23 AM:	42.2°F
Yesterday:	46.5°F
Record:	-32.8°F 2-3-2023

Current Air Quality Index: 45 Good

High Today:	45
Low Today:	15
High Yesterday:	39
Low Yesterday:	11
High in Last 7 Days:	39
High in Last 30 Days:	60
Station Record High:	251 06-08-2023
Station Record Low:	0 11-13-2021
Primary Pollutant

UV Summary/Forecast

Current Solar Energy⁹

May-11

6.4

May-12

7.1

May-13

7.4

158 W/m²
0%
W/m² ⇒ SI

High Today:
12:41 PM
919 W/m²
Record:
1016 W/m²

Almanac

Irrigation Index⁵

Station All Time Records

Cloud Level

Currently:	Afternoon
YTD Avg Temp:	34.0°F
Sunrise:	5:29 am
Sunset:	8:01 pm
Moonrise:	7:29 pm
Moonset:	4:35 am
Full Moon:	5-12-2025
New Moon:	03:03 UTC 5-27-2025

Updated at Midnight
Current ET:	0.00 in
7-Days Rain:	2.87 in
7-Days ET:	0.00 in
7-Day:	2.87 in
May:	3 in
Cloud Height:	10049 ft

HIGHS:	LOWS:
97.9°F 6-10-2008	-19.7°F 1-16-2009
Daytime Records
94.1°F 7-07-2010	-3.8°F 2-03-2023
Nitetime Records
81.1°F 7-22-2011	-14.4°F 2-04-2023
ICN:0 \| S3C2:4 \| Ajax 3.xx ISS:Ok \| CON:4.4 \| RCP:95%

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 Air Quality Index is provided from Lebanon, NH. 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 11 of just the month of May for this station since 2006. ¹¹ Historical average rain this season to day 11 of May for this station since 2006.

NWS Weather Forecast - Outlook This Afternoon & Tonight

This
Afternoon

Sunny

Hi 63 °F

NWS forecast: Sunny, with a high near 63. Northwest wind around 15 mph, with gusts as high as 25 mph.

Tonight

Mostly Clear then Patchy Frost

Lo 33 °F

NWS forecast: Patchy frost between 1am and 5am. Mostly clear, with a low around 33. North wind 0 to 10 mph.

NWS Short Term Weather Forecast - Click here for 7 day forecast

Monday Sunny	Monday Night Partly Cloudy	Tuesday Partly Sunny	Tuesday Night Mostly Cloudy	Wednesday Mostly Cloudy	Wednesday Night Mostly Cloudy then Slight Chance Rain Showers	Thursday Chance Rain Showers
Hi 74 °F	Lo 49 °F	Hi 75 °F	Lo 53 °F	Hi 72 °F	Lo 59 °F	Hi 72 °F

Countdown to Summer

Summer Solstice begins June 20, 2025 at 10:43 pm EDT