10-day forecast for Winchester, NH: 49° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Sunday, August 9
72° · 0.56 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 64°0.04
Morning71°feels 72°
Afternoon84°feels 82°
Evening72°feels 72°
Overnight67°feels 67°
85 °
Winchester, Monday, 10 August
Light rain. High 85°, low 64°.
Pressure29.94 inHg
Wind7.2 mph SW
Humidity42%
Visibility6.2 mi
Dew point57°
Tue, 1183° / 64°0.01
Morning68°feels 69°
Afternoon83°feels 82°
Evening70°feels 70°
Overnight64°feels 65°
83 °
Winchester, Tuesday, 11 August
Light rain. High 83°, low 64°.
Pressure29.80 inHg
Wind12.7 mph NW
Humidity40%
Visibility6.2 mi
Dew point54°
Wed, 1275° / 60°0.4
Morning60°feels 61°
Afternoon73°feels 73°
Evening65°feels 66°
Overnight64°feels 63°
75 °
Winchester, Wednesday, 12 August
Rain. High 75°, low 60°.
Pressure29.77 inHg
Wind3.7 mph N
Humidity97%
Visibility6.2 mi
Dew point62°
Thu, 1378° / 58°0.06
Morning63°feels 63°
Afternoon76°feels 76°
Evening72°feels 71°
Overnight59°feels 58°
78 °
Winchester, Thursday, 13 August
Light rain. High 78°, low 58°.
Pressure29.68 inHg
Wind11.3 mph W
Humidity43%
Visibility—
Dew point50°
Fri, 1473° / 49°0
Morning55°feels 54°
Afternoon69°feels 68°
Evening70°feels 69°
Overnight59°feels 58°
73 °
Winchester, Friday, 14 August
Clear. High 73°, low 49°.
Pressure29.94 inHg
Wind12.5 mph W
Humidity38%
Visibility—
Dew point40°
Sat, 1575° / 51°0
Morning57°feels 56°
Afternoon71°feels 70°
Evening70°feels 69°
Overnight53°feels 52°
75 °
Winchester, Saturday, 15 August
Clear. High 75°, low 51°.
Pressure30.03 inHg
Wind12.6 mph NW
Humidity46%
Visibility—
Dew point46°
Sun, 1677° / 49°0
Morning56°feels 55°
Afternoon73°feels 72°
Evening73°feels 72°
Overnight54°feels 53°
77 °
Winchester, Sunday, 16 August
Clear. High 77°, low 49°.
Pressure30.18 inHg
Wind6.1 mph N
Humidity36%
Visibility—
Dew point41°
Mon, 1781° / 51°0
Morning57°feels 55°
Afternoon73°feels 73°
Evening78°feels 78°
Overnight62°feels 61°
81 °
Winchester, Monday, 17 August
Overcast. High 81°, low 51°.
Pressure30.15 inHg
Wind7.1 mph SW
Humidity48%
Visibility—
Dew point48°
Tue, 1872° / 61°0.56
Morning62°feels 63°
Afternoon65°feels 65°
Evening70°feels 71°
Overnight62°feels 62°
72 °
Winchester, Tuesday, 18 August
Rain. High 72°, low 61°.
Pressure30.12 inHg
Wind8.1 mph SW
Humidity99%
Visibility—
Dew point63°
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 Winchester, 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.