Groton, MA Weather

13:00 PM Monday Artboard
  • Today June 23 Scattered clouds 95° / 76° Calm 9 - 17 mph
  • Tomorrow June 24 Scattered clouds 97° / 74° Calm 9 - 22 mph
  • Wednesday June 25 Thunderstorm 60% 0.24 in 92° / 69° Calm 6 - 23 mph
  • Thursday June 26 Light rain 70% 0.047 in 77° / 59° Calm 9 - 21 mph
  • Friday June 27 Partly cloudy 74° / 61° Calm 9 - 21 mph
  • Saturday June 28 Light rain 70% 0.075 in 80° / 62° Calm 6 - 16 mph
  • Sunday June 29 Light rain 50% 0.11 in 74° / 61° Calm 6 - 15 mph

Weather Groton, MA today

, June 23

Weather Groton, MA tomorrow

, June 24
1 PM Partly cloudy 92° Partly cloudy
Feels Like 101°
Calm Northwest 6 - 16 mph
UV Index 8 Very High! SPF: 25-50
  • Rain Rain 0% 0 in
  • Humidity Humidity 56%
  • Dew Point Dew Point 74 °F
  • Clouds Clouds 69%
  • Feels Like Feels Like 101 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 6 mph
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 mph
  • Snowline Snowline 16076 ft
2 PM Partly cloudy 93° Partly cloudy
Feels Like 103°
Calm Northwest 6 - 16 mph
UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 in
  • Humidity Humidity 53%
  • Dew Point Dew Point 73 °F
  • Clouds Clouds 65%
  • Feels Like Feels Like 103 °F
  • Visibility Visibility 22 mi
  • Wind Wind - Average 6 mph
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 mph
  • Snowline Snowline 16076 ft
3 PM Partly cloudy 94° Partly cloudy
Feels Like 103°
Calm West 5 - 15 mph
UV Index 6 High SPF: 15-25
  • Rain Rain 0% 0 in
  • Humidity Humidity 51%
  • Dew Point Dew Point 73 °F
  • Clouds Clouds 58%
  • Feels Like Feels Like 103 °F
  • Visibility Visibility 22 mi
  • Wind Wind - Average 5 mph
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 mph
  • Snowline Snowline 16076 ft
4 PM Partly cloudy 94° Partly cloudy
Feels Like 103°
Calm West 4 - 13 mph
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 in
  • Humidity Humidity 50%
  • Dew Point Dew Point 72 °F
  • Clouds Clouds 62%
  • Feels Like Feels Like 103 °F
  • Visibility Visibility 22 mi
  • Wind Wind - Average 4 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 13 mph
  • Snowline Snowline 16076 ft
5 PM Partly cloudy 93° Partly cloudy
Feels Like 102°
Calm West 5 - 15 mph
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 50%
  • Dew Point Dew Point 72 °F
  • Clouds Clouds 56%
  • Feels Like Feels Like 102 °F
  • Visibility Visibility 22 mi
  • Wind Wind - Average 5 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 mph
  • Snowline Snowline 16404 ft
6 PM High clouds 92° High clouds
Feels Like 102°
Calm West 4 - 12 mph
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 56%
  • Dew Point Dew Point 74 °F
  • Clouds Clouds 56%
  • Feels Like Feels Like 102 °F
  • Visibility Visibility 22 mi
  • Wind Wind - Average 4 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 12 mph
  • Snowline Snowline 16732 ft
7 PM Scattered clouds 89° Scattered clouds
Feels Like 100°
Calm Southwest 6 - 12 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 66%
  • Dew Point Dew Point 76 °F
  • Clouds Clouds 53%
  • Feels Like Feels Like 100 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 6 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 12 mph
  • Snowline Snowline 16732 ft
Scattered clouds 8 PM Scattered clouds 86° Scattered clouds
Feels Like 94°
Calm West 8 - 15 mph
UV Index 0 Low SPF: no
Scattered clouds 8 PM Scattered clouds 86° Scattered clouds
Feels Like 94°
Calm West 8 - 15 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 69%
  • Dew Point Dew Point 75 °F
  • Clouds Clouds 50%
  • Feels Like Feels Like 94 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 8 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 mph
  • Snowline Snowline 17060 ft
9 PM Scattered clouds 84° Scattered clouds
Feels Like 90°
Calm West 7 - 16 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 71%
  • Dew Point Dew Point 73 °F
  • Clouds Clouds 50%
  • Feels Like Feels Like 90 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 7 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 mph
  • Snowline Snowline 17060 ft
10 PM Scattered clouds 82° Scattered clouds
Feels Like 87°
Calm West 7 - 14 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 74%
  • Dew Point Dew Point 73 °F
  • Clouds Clouds 50%
  • Feels Like Feels Like 87 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 7 mph
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 mph
  • Snowline Snowline 17060 ft
Scattered clouds 11 PM Scattered clouds 81° Scattered clouds
Feels Like 85°
Calm West 8 - 16 mph
UV Index 0 Low SPF: no
Scattered clouds 11 PM Scattered clouds 81° Scattered clouds
Feels Like 85°
Calm West 8 - 16 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 75%
  • Dew Point Dew Point 72 °F
  • Clouds Clouds 50%
  • Feels Like Feels Like 85 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 8 mph
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 mph
  • Snowline Snowline 16732 ft
12 AM Scattered clouds 80° Scattered clouds
Feels Like 84°
Calm West 9 - 17 mph
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 in
  • Humidity Humidity 75%
  • Dew Point Dew Point 72 °F
  • Clouds Clouds 50%
  • Feels Like Feels Like 84 °F
  • Visibility Visibility 19 mi
  • Wind Wind - Average 9 mph
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 mph
  • Snowline Snowline 16732 ft

Sunrise and Sunset

Sunrise 5:09 AM Sunset 8:27 PM
First light 4:34 AM Midday 12:48 PM Last light 9:03 PM
Day length 15h 19m

Remaining daylight 6h 59m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
23
Last Quarter 		24
New Moon 		25
New Moon 		26
New Moon 		27
First Quarter 		28
First Quarter 		29
First Quarter
30
First Quarter 		1
First Quarter 		2
First Quarter 		3
First Quarter 		4
First Quarter 		5
First Quarter 		6
First Quarter

Air quality in Groton today

Detail
43
Moderate O₃ (107 µg/m³)
  • Possible health risk.
  • Enjoy your usual outdoor activities if you do not experience symptoms.
  • Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs
Maximum Minimum Rainfall

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