Town Of Groton Precipitation Station Groton423701071344800
At a river or reservoir gauge/4.2 mi away/-/- ft from here
temp, wind, gust, humidity, pressure
Beaches/Massachusetts/Swimming Hole
Swimming Hole, Massachusetts
Beach in Middlesex County, Massachusetts42°
69°/39°
Partly cloudy·
Feels like 42°·Calm 1 mph S
Coming up. Rain is likely this morning, from about 9 AM, the chance peaking at 84% around 10 AM.
Now. Swimming Hole is 42° and partly cloudy at 1 AM. The dew point is 41°, so the air feels dry and comfortable. The air is calm.
Today and tonight. It warms to about 66° by 4 PM. Tonight falls to about 40° by 8 AM, with some cloud.
The week. The warmest day ahead is Tuesday, near 64°, and the coolest tomorrow, near 50°. Rain is likely tomorrow (55%). The first freeze could come Sunday, a low of 29°.
The sky tonight. The sun sets at 6:03 PM. The Moon is a waxing crescent, 33% lit, and sets at 9:48 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The day is 11 hours 3 minutes long, 3 minutes shorter than yesterday.
0UV Low
24Air quality
93%Humidity
39%Cloud
Now
1:00 AM
42feels42
now, partly cloudy
Today
Oct 16
6939
99%
Sat
Oct 17
5039
55%
13mph
Sun
Oct 18
5629
clear day
Mon
Oct 19
5932
mostly clear day
Tue
Oct 20
6436
partly cloudy day
Wed
Oct 21
6138
mostly clear day
Thu
Oct 22
5735
mostly clear day
42°
69°39°
50°39°
56°29°
59°32°
64°36°
61°38°
57°35°
As of 1:00 AM in Swimming Hole, Massachusetts.
Air quality
The air at Swimming Hole
Index 24, good, led by fine particles. Read at 12 AM from its reporting area, West Middlesex (MA), 15 miles off.
24Good
- Fine particles (PM2.5)24Good19.5 mi
- Ozone1Good1 ppb15.1 mi
- Coarse particles (PM10)-19.5 mi
- Nitrogen dioxide4Good4.6 ppb21.4 mi
- Sulfur dioxide0Good0.1 ppb19.5 mi
- Carbon monoxide-0.2 ppm21.4 mi
The days ahead
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 28, good.
GoodModerate
- 28YesterdayOct 15
- 35TodayOct 16
- 30SatOct 17
Smoke, the next 44 hours
No smoke near the ground through Sat 8 PM.
Precipitation
What has fallen at Swimming Hole
None in the last 24 hours; 0.31 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.31in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Swimming Hole, the next 44 hours
Mist or haze: visibility falls to 2 miles Fri 10 AM.
F
Now, today, and the week
Weather instrument stations by state
Beach
- County
- Middlesex County
- State
- Massachusetts
- Latitude
- 42.6347° N
- Longitude
- 71.6583° W
What is measuring near here
The 6 instruments nearest Swimming Hole, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.
measured now4 instruments
Citizen station GW3742GW3742
In a volunteer observer's own ground/5.1 mi away/231 ft/- ft from here
temp, humidity, wind, precip, pressure
FitchburgFIT
At an airfield/7.6 mi away/348 ft/- ft from here
temp, wind, gust, visibility, precip, pressure
Harvard Rest AreaMA016
Beside a road/8.5 mi away/328 ft/- ft from here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Groton 4.2 WNWMA-MD-228
In a volunteer observer's own ground/0.6 mi away/287 ft/- ft from here
precip, snowfall, snow depth
FitchburgFCHM3
At a cooperative observer's station/7.4 mi away/690 ft/- ft from here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Massachusetts
17 places, each with its own forecast and its own instruments.
Near Swimming Hole
The nearest places, each with its own forecast and the instruments nearest it.
- Townsendcommunity, 3 mi
- Pepperellcommunity, 4 mi
- Grotoncommunity, 5 mi
- Lunenburgcommunity, 5 mi
- East Pepperellcommunity, 5 mi
- Ayercommunity, 6 mi
- Shirleycommunity, 6 mi
- Devenscommunity, 8 mi
- Fitchburgcity, 8 mi
- Leominstercity, 9 mi
- Littleton Commoncommunity, 12 mi
- Nashoba Valleyski area, 12 mi
Beaches near Swimming Hole
- Hemlock Beach3 mi
- Lunenburg Town Beach6 mi
- The Beach at Arrive6 mi
- Wilder Beach6 mi
- Sargisson Beach8 mi
- Forge Beach9 mi
- Harvard Town Beach10 mi
- Long Lake Beach12 mi