10-day forecast for Groton, NH: 46° to 87°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
81° · 0.35 in
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 65°0
Morning71°feels 72°
Afternoon85°feels 83°
Evening72°feels 72°
Overnight66°feels 66°
87 °
Groton, Sunday, 9 August
Clear. High 87°, low 65°.
Pressure29.88 inHg
Wind10.7 mph W
Humidity43%
Visibility6.2 mi
Dew point58°
Mon, 1085° / 61°0.08
Morning70°feels 71°
Afternoon81°feels 81°
Evening66°feels 67°
Overnight64°feels 65°
85 °
Groton, Monday, 10 August
Light rain. High 85°, low 61°.
Pressure29.91 inHg
Wind6.4 mph S
Humidity38%
Visibility6.2 mi
Dew point54°
Tue, 1179° / 60°0.07
Morning65°feels 66°
Afternoon79°feels 78°
Evening64°feels 64°
Overnight61°feels 62°
79 °
Groton, Tuesday, 11 August
Light rain. High 79°, low 60°.
Pressure29.77 inHg
Wind12.8 mph NW
Humidity43%
Visibility6.2 mi
Dew point53°
Wed, 1277° / 58°0.19
Morning58°feels 58°
Afternoon77°feels 77°
Evening62°feels 63°
Overnight60°feels 59°
77 °
Groton, Wednesday, 12 August
Rain. High 77°, low 58°.
Pressure29.77 inHg
Wind2.5 mph S
Humidity65%
Visibility6.2 mi
Dew point58°
Thu, 1374° / 54°0.22
Morning61°feels 61°
Afternoon70°feels 69°
Evening70°feels 69°
Overnight55°feels 54°
74 °
Groton, Thursday, 13 August
Light rain. High 74°, low 54°.
Pressure29.68 inHg
Wind10 mph NW
Humidity65%
Visibility—
Dew point55°
Fri, 1464° / 46°0
Morning51°feels 49°
Afternoon63°feels 61°
Evening63°feels 61°
Overnight54°feels 52°
64 °
Groton, Friday, 14 August
Partly cloudy. High 64°, low 46°.
Pressure29.91 inHg
Wind12.3 mph NW
Humidity47%
Visibility—
Dew point40°
Sat, 1571° / 51°0
Morning56°feels 55°
Afternoon64°feels 63°
Evening64°feels 62°
Overnight52°feels 51°
71 °
Groton, Saturday, 15 August
Overcast. High 71°, low 51°.
Pressure30.00 inHg
Wind13.3 mph NW
Humidity59%
Visibility—
Dew point48°
Sun, 1674° / 48°0
Morning54°feels 52°
Afternoon69°feels 68°
Evening70°feels 69°
Overnight53°feels 51°
74 °
Groton, Sunday, 16 August
Clear. High 74°, low 48°.
Pressure30.15 inHg
Wind8 mph NW
Humidity42%
Visibility—
Dew point42°
Mon, 1777° / 50°0
Morning56°feels 56°
Afternoon73°feels 72°
Evening75°feels 74°
Overnight60°feels 60°
77 °
Groton, Monday, 17 August
Overcast. High 77°, low 50°.
Pressure30.15 inHg
Wind5.6 mph SW
Humidity44%
Visibility—
Dew point46°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Groton, NH around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.