Observed 2:50 PM EDT at KOWD

Hopkinton, MA weather

Sunny and 63°17°, jacket by 6 PM.

Mostly agree

Now 63°17°

Sunny

Wind: 3 mph5 km/h; From the west-southwest. Light through 3 AM
Dew point: 36°2°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 26Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.49 inHg1033 hPa; Falling slowly · −0.04 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Low 36°2° tonight at 5 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 59°15° · Clear
TonightDown to 36°2° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 2 PM · Clear
Tomorrow nightDown to 40°4° by 4 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonUp to 66°19° by 2 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 3p	Mostly sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	2 mph3 km/h from NW, gusts 5 mph9 km/h	42%	8%	2
Sat 4p	Sunny	59°15° (likely 56°13° to 60°16°)	59°15°	0%	1 mph2 km/h from NW, gusts 5 mph7 km/h	44%	3%	1
Sat 5p	Sunny	59°15° (likely 55°13° to 59°15°)	59°15°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	49%	0%	0
Sat 6p	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	2 mph3 km/h from SE, gusts 3 mph5 km/h	55%	0%	0
Sat 7p	Clear	51°11° (likely 45°7° to 51°11°)	51°11°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	61%	0%	0
Sat 8p	Clear	44°7° (likely 43°6° to 48°9°)	42°6°	0%	3 mph5 km/h from SW, gusts 4 mph6 km/h	55%	0%	0
Sat 9p	Clear	41°5° (likely 41°5° to 47°8°)	39°4°	0%	3 mph5 km/h from W, gusts 4 mph7 km/h	62%	0%	0
Sat 10p	Clear	41°5° (likely 39°4° to 45°7°)	39°4°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	67%	0%	0
Sat 11p	Clear	41°5° (likely 38°3° to 44°7°)	39°4°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	67%	0%	0
Sun 12a	Clear	40°4° (likely 37°3° to 42°6°)	38°3°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	70%	0%	0
Sun 1a	Clear	40°4° (likely 37°3° to 42°6°)	38°3°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	70%	0%	0
Sun 2a	Clear	39°4° (likely 36°2° to 41°5°)	37°3°	0%	3 mph5 km/h from W, gusts 5 mph9 km/h	73%	0%	0
Sun 3a	Clear	38°3° (likely 35°2° to 42°6°)	36°2°	0%	3 mph5 km/h from W, gusts 5 mph7 km/h	73%	0%	0
Sun 4a	Clear	37°3° (likely 35°2° to 41°5°)	34°1°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	75%	0%	0
Sun 5a	Clear	36°2° (likely 34°1° to 41°5°)	33°1°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	79%	0%	0
Sun 6a	Clear	36°2° (likely 34°1° to 40°4°)	33°1°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	82%	0%	0
Sun 7a	Sunny	36°2° (likely 34°1° to 40°4°)	33°1°	0%	3 mph5 km/h from W, gusts 5 mph9 km/h	85%	0%	0
Sun 8a	Sunny	37°3° (likely 35°2° to 40°4°)	37°3°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	82%	0%	0
Sun 9a	Sunny	44°7° (likely 41°5° to 45°7°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	62%	0%	1
Sun 10a	Sunny	52°11° (likely 50°10° to 52°11°)	52°11°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	50%	0%	2
Sun 11a	Sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	2 mph3 km/h from W, gusts 5 mph7 km/h	44%	0%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	39%	0%	4
Sun 1p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	34%	0%	4
Sun 2p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	32%	0%	4
Sun 3p	Sunny	65°18° (likely 63°17° to 66°19°)	65°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	34%	0%	3
Sun 4p	Sunny	64°18° (likely 62°17° to 65°18°)	64°18°	0%	5 mph8 km/h from SW, gusts 8 mph14 km/h	37%	0%	2
Sun 5p	Sunny	62°17° (likely 59°15° to 63°17°)	62°17°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	41%	0%	1
Sun 6p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	45%	0%	0
Sun 7p	Clear	51°11° (likely 49°9° to 53°12°)	51°11°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	54%	0%	0
Sun 8p	Clear	46°8° (likely 45°7° to 50°10°)	45°7°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	63%	0%	0
Sun 9p	Clear	45°7° (likely 43°6° to 49°9°)	44°7°	0%	3 mph5 km/h from SW, gusts 11 mph17 km/h	68%	0%	0
Sun 10p	Clear	43°6° (likely 42°6° to 48°9°)	40°4°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	76%	0%	0
Sun 11p	Clear	42°6° (likely 42°6° to 47°8°)	39°4°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	79%	0%	0
Mon 12a	Clear	42°6° (likely 41°5° to 46°8°)	39°4°	0%	5 mph8 km/h from SW, gusts 11 mph17 km/h	79%	8%	0
Mon 1a	Clear	41°5° (likely 41°5° to 46°8°)	38°3°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	82%	31%	0
Mon 2a	Clear	41°5° (likely 40°4° to 46°8°)	38°3°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	82%	0%	0
Mon 3a	Clear	41°5° (likely 40°4° to 45°7°)	38°3°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	79%	0%	0
Mon 4a	Clear	40°4° (likely 39°4° to 45°7°)	37°3°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	85%	0%	0
Mon 5a	Clear	40°4° (likely 39°4° to 45°7°)	37°3°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	85%	1%	0
Mon 6a	Clear	40°4° (likely 38°3° to 44°7°)	37°3°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	85%	3%	0
Mon 7a	Sunny	40°4° (likely 37°3° to 43°6°)	37°3°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	89%	2%	0
Mon 8a	Sunny	41°5° (likely 38°3° to 45°7°)	38°3°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	86%	29%	0
Mon 9a	Sunny	47°8° (likely 45°7° to 49°9°)	45°7°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	68%	26%	1
Mon 10a	Sunny	53°12° (likely 51°11° to 57°14°)	53°12°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	66%	28%	2
Mon 11a	Mostly sunny	58°14° (likely 56°13° to 62°17°)	58°14°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	60%	20%	3
Mon 12p	Mostly sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	54%	25%	4
Mon 1p	Sunny	65°18° (likely 62°17° to 68°20°)	65°18°	0%	6 mph10 km/h from W, gusts 14 mph22 km/h	50%	16%	4
Mon 2p	Sunny	66°19° (likely 64°18° to 69°21°)	66°19°	0%	6 mph10 km/h from W, gusts 15 mph24 km/h	48%	6%	4

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 60°16°, low 35°2°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
2. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 60. North wind around 2 mph.
Tonight: Patchy frost after 4am. Clear, with a low around 35. West wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
29°−2°–35°2°
Typical high / low
60°16° / 40°4°
Wind
6 mph10 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 39°4°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 66. Southwest wind around 5 mph.
Night: Clear, with a low around 39. Southwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
33°1°–40°4°
Typical high / low
59°15° / 40°4°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Monday, Oct 26. Sunny. High 67°19°, low 41°5°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. West wind around 6 mph.
Night: Mostly clear, with a low around 41. Northwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
37°3°–42°6°
Typical high / low
59°15° / 39°4°
Wind
9 mph14 km/h, gusts 25 mph40 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 54°12°, low 30°−1°. Typical 58°14° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 54. North wind 2 to 7 mph.
Night: Clear, with a low around 30. North wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
52°11°–54°12°
Low, likely
30°−1°–38°3°
Typical high / low
58°14° / 39°4°
Wind
10 mph15 km/h, gusts 25 mph40 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 37°3°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 56. Northeast wind around 3 mph.
Night: Mostly clear, with a low around 37. South wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–56°13°
Low, likely
29°−2°–37°3°
Typical high / low
58°14° / 39°4°
Wind
7 mph11 km/h, gusts 14 mph23 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 63°17°, low 48°9°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Night: Mostly clear, with a low around 48. Southwest wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–67°19°
Low, likely
37°3°–48°9°
Typical high / low
58°14° / 38°3°
Wind
13 mph20 km/h, gusts 34 mph55 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 68°20°, low 45°7°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68. West wind around 7 mph.
Night: Mostly clear, with a low around 45. Northwest wind around 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
44°7°–50°10°
Typical high / low
58°14° / 38°3°
Wind
10 mph16 km/h, gusts 27 mph43 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 63°17°, low 44°7°. Typical 57°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–68°20°
Low, likely
42°6°–46°8°
Typical high / low
57°14° / 38°3°
Wind
7 mph12 km/h, gusts 22 mph36 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 66°19°, low 46°8°. Typical 57°14° / 38°3°. Rain, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 56°13°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–69°21°
Low, likely
41°5°–51°11°
Typical high / low
57°14° / 38°3°
Wind
9 mph15 km/h, gusts 22 mph36 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 65°18°, low 55°13°. Typical 56°13° / 37°3°. Rain 0.3 in7.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  30% chance · 0.1 in2.5 mm
2. Afternoon
  noon–6 PM
  Rain, 63°17°
  20% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Rain, 62°17°
  20% chance · 0.17 in4.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–70°21°
Low, likely
49°9°–64°18°
Typical high / low
56°13° / 37°3°
Wind
14 mph22 km/h, gusts 36 mph57 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 35°.
Tomorrow
Dry, high 66°, low 39°, warming up.
Monday
Dry, high 67°, low 41°.
Rest of week
Mostly dry, highs 54–68°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Sudbury River at Saxonville

9.5 mi

Below flood stage

Level: 5.2 ft
Flow: 95 cfs

Forecast peak 4.9 ft Sat 8 PM

Reading from Sat 1:15 PM · NWS gauge page

Charles River at Dover

14 mi

Below flood stage

Level: 1.0 ft
Flow: 102 cfs

Forecast peak 1.0 ft Sat 8 PM

Reading from Sat 12:45 PM · NWS gauge page

Assabet River at Maynard

15 mi

Below flood stage

Level: 2.1 ft
Flow: 107 cfs

Forecast peak 2.1 ft Sat 8 PM

Reading from Sat 1:15 PM · NWS gauge page

Blackstone River at Woonsocket

15 mi

Below flood stage

Level: 1.8 ft
Flow: 423 cfs

Forecast peak 1.9 ft Sat 8 PM

Reading from Sat 1:30 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 71% less heating than a typical week.

This week 33Typical 114

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Sun, 12:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Walpole 2 · official normals 1991–2020 · records 1972–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 3°1° colder than normal (daily mean temperature).

−9°−5°SunOct 18
−6°−3°MonOct 19
±0°TueOct 20
−1°WedOct 21
+4°+2°ThuOct 22
−2°−1°FriOct 23
—SatOct 24

Hopkinton weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 41 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 35 min less
Golden hour: 5:11–6:08 PM; Morning 6:51–7:48 AM
Blue hour: 6:08–6:19 PM; Morning 6:40–6:51 AM; first light 6:40 AM

Stars tonight? Fair

Clear 6:19 PM–6:41 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:18 AM · rises 4:47 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Hopkinton. The highest point on the skyline is about 6,100 ft, 42 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Hopkinton, MA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sudbury River at Saxonville

Charles River at Dover

Assabet River at Maynard

Blackstone River at Woonsocket

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon