Observed 10:45 PM EDT at KSFZ

Upton, MA weather

Clear and 37°3°.

Mostly agree

Now 37°3°

Clear

Wind: Calm; Light through 11 AM
Dew point: 31°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 42Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.52 inHg1034 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 36°2° tonight at 5 AM
Above 50°10° tomorrow by 10 AM
High 65°18° tomorrow at 2 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 36°2° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 2 PM · Clear
Tomorrow nightDown to 42°6° by 3 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonUp to 67°19° by 3 PM · Clear
Monday nightDown to 53°12° by 10 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 11p	Clear	41°5° (likely 39°4° to 42°6°)	41°5°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	67%	0%	0
Sun 12a	Clear	40°4° (likely 38°3° to 41°5°)	38°3°	0%	3 mph5 km/h from W, gusts 4 mph7 km/h	70%	0%	0
Sun 1a	Clear	39°4° (likely 37°3° to 41°5°)	37°3°	0%	3 mph5 km/h from W, gusts 5 mph7 km/h	73%	0%	0
Sun 2a	Clear	39°4° (likely 36°2° to 40°4°)	37°3°	0%	3 mph5 km/h from W, gusts 5 mph7 km/h	73%	0%	0
Sun 3a	Clear	38°3° (likely 35°2° to 40°4°)	36°2°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	76%	0%	0
Sun 4a	Clear	37°3° (likely 35°2° to 39°4°)	37°3°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	75%	0%	0
Sun 5a	Clear	36°2° (likely 34°1° to 38°3°)	33°1°	0%	3 mph5 km/h from W, gusts 6 mph9 km/h	82%	0%	0
Sun 6a	Clear	36°2° (likely 34°1° to 37°3°)	33°1°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	85%	0%	0
Sun 7a	Sunny	36°2° (likely 34°1° to 37°3°)	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 38°3°)	37°3°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	82%	0%	0
Sun 9a	Sunny	44°7° (likely 41°5° to 44°7°)	44°7°	0%	2 mph3 km/h from W, gusts 6 mph9 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 5 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	45%	0%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	39%	0%	4
Sun 1p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	3 mph5 km/h from SW, gusts 8 mph12 km/h	35%	0%	4
Sun 2p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	33%	0%	4
Sun 3p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	34%	0%	3
Sun 4p	Sunny	64°18° (likely 62°17° to 66°19°)	64°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	37%	0%	2
Sun 5p	Sunny	62°17° (likely 59°15° to 64°18°)	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 6 mph10 km/h	47%	0%	0
Sun 7p	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	52%	0%	0
Sun 8p	Clear	48°9° (likely 45°7° to 49°9°)	47°8°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	60%	0%	0
Sun 9p	Clear	47°8° (likely 43°6° to 47°8°)	46°8°	0%	3 mph5 km/h from SW, gusts 8 mph14 km/h	63%	0%	0
Sun 10p	Clear	45°7° (likely 42°6° to 45°7°)	44°7°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	70%	0%	0
Sun 11p	Clear	44°7° (likely 41°5° to 44°7°)	42°6°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	73%	0%	0
Mon 12a	Clear	44°7° (likely 41°5° to 44°7°)	42°6°	0%	3 mph5 km/h from SW, gusts 8 mph12 km/h	73%	0%	0
Mon 1a	Clear	43°6° (likely 40°4° to 43°6°)	41°5°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	76%	0%	0
Mon 2a	Clear	43°6° (likely 39°4° to 43°6°)	40°4°	0%	5 mph8 km/h from W, gusts 8 mph14 km/h	76%	0%	0
Mon 3a	Clear	42°6° (likely 39°4° to 42°6°)	39°4°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	76%	0%	0
Mon 4a	Clear	42°6° (likely 38°3° to 42°6°)	39°4°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	79%	35%	0
Mon 5a	Clear	42°6° (likely 37°3° to 42°6°)	39°4°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	79%	4%	0
Mon 6a	Clear	42°6° (likely 36°2° to 42°6°)	39°4°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	79%	2%	0
Mon 7a	Sunny	42°6° (likely 36°2° to 42°6°)	39°4°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	82%	3%	0
Mon 8a	Sunny	43°6° (likely 36°2° to 43°6°)	40°4°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	79%	2%	0
Mon 9a	Sunny	48°9° (likely 44°7° to 48°9°)	46°8°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	65%	25%	1
Mon 10a	Sunny	52°11° (likely 52°11° to 56°13°)	52°11°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	69%	29%	2
Mon 11a	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	5 mph8 km/h from W, gusts 15 mph25 km/h	60%	71%	3
Mon 12p	Mostly sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	54%	35%	4
Mon 1p	Sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	6 mph10 km/h from W, gusts 15 mph25 km/h	52%	13%	4
Mon 2p	Sunny	66°19° (likely 64°18° to 68°20°)	66°19°	0%	6 mph10 km/h from W, gusts 16 mph25 km/h	48%	5%	4
Mon 3p	Sunny	67°19° (likely 64°18° to 68°20°)	67°19°	0%	6 mph10 km/h from W, gusts 16 mph26 km/h	49%	13%	3
Mon 4p	Sunny	66°19° (likely 63°17° to 67°19°)	66°19°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	52%	1%	2
Mon 5p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	5 mph8 km/h from W, gusts 16 mph25 km/h	56%	9%	1
Mon 6p	Clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	60%	9%	0
Mon 7p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	67%	14%	0
Mon 8p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	75%	20%	0
Mon 9p	Mostly clear	55°13° (likely 52°11° to 56°13°)	55°13°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	80%	34%	0
Mon 10p	Mostly clear	53°12° (likely 52°11° to 56°13°)	53°12°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	86%	41%	0

Days ahead

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

Today, Oct 24. Partly sunny. High 61°16°, low 35°2°. Typical 56°13° / 40°4°. Dry. Mostly agree.
1. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
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
59°15°–62°17°
Low, likely
29°−2°–35°2°
Typical high / low
56°13° / 40°4°
Wind
5 mph8 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 41°5°. Typical 56°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 66. West wind around 5 mph.
Night: Clear, with a low around 41. Southwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
34°1°–41°5°
Typical high / low
56°13° / 39°4°
Wind
7 mph12 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 67°19°, low 40°4°. Typical 55°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 44°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. West wind around 6 mph.
Night: Mostly clear, with a low around 40. Northwest wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
35°2°–41°5°
Typical high / low
55°13° / 39°4°
Wind
10 mph15 km/h, gusts 23 mph36 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 54°12°, low 30°−1°. Typical 55°13° / 38°3°. 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°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 54. North wind 2 to 6 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
55°13° / 38°3°
Wind
10 mph16 km/h, gusts 26 mph41 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 37°3°. Typical 55°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°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: Partly cloudy, with a low around 37. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
29°−2°–37°3°
Typical high / low
55°13° / 38°3°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 64°18°, low 48°9°. Typical 54°12° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 64. Southwest wind 5 to 9 mph.
Night: Mostly clear, with a low around 48. Southwest wind around 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
39°4°–48°9°
Typical high / low
54°12° / 38°3°
Wind
12 mph19 km/h, gusts 34 mph55 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 68°20°, low 44°7°. Typical 54°12° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  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, 43°6°
  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 44. Northwest wind around 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
44°7°–51°11°
Typical high / low
54°12° / 38°3°
Wind
10 mph17 km/h, gusts 29 mph46 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 65°18°, low 43°6°. Typical 54°12° / 37°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
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65. Northeast wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–67°19°
Low, likely
41°5°–48°9°
Typical high / low
54°12° / 37°3°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 64°18°, low 46°8°. Typical 53°12° / 37°3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°14°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  30% chance · 0.03 in0.8 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
61°16°–69°21°
Low, likely
41°5°–49°9°
Typical high / low
53°12° / 37°3°
Wind
10 mph16 km/h, gusts 30 mph47 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 65°18°, low 56°13°. Typical 53°12° / 37°3°. Rain 0.19 in4.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 59°15°
  30% chance · 0.11 in2.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  30% chance · 0.06 in1.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  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
58°14°–69°21°
Low, likely
51°11°–64°18°
Typical high / low
53°12° / 37°3°
Wind
14 mph23 km/h, gusts 39 mph62 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 35°.
Tomorrow
Dry, high 66°, low 41°, warming up.
Monday
Dry, high 67°, low 40°.
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

Blackstone River at Woonsocket

13 mi

Below flood stage

Level: 1.8 ft
Flow: 427 cfs

Forecast peak 1.9 ft Sun 2 AM

Reading from Sat 9:30 PM · NWS gauge page

Sudbury River at Saxonville

15 mi

Below flood stage

Level: 5.2 ft
Flow: 94 cfs

Forecast peak 4.8 ft Sun 2 AM

Reading from Sat 9:15 PM · NWS gauge page

Blackstone River at Northbridge

2.9 mi

Below flood stage

Level: 3.6 ft

Reading from Sat 9:30 PM · NWS gauge page

West River Below West Hill Dam near Uxbridge

5.3 mi

Below flood stage

Level: 0.7 ft

Reading from Sat 9:30 PM · NWS gauge page

For your home

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

Heating this week

About 78% less heating than a typical week.

This week 28Typical 128

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 22
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 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 31°F).

Open the windows?

Sun, 12:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Worcester Regional Airport · official normals 1991–2020 · records 1892–2026

Oct 24, today vs a typical year

Today’s expected high is 5°3° warmer than typical.

Last 7 days vs normal

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

−1°MonOct 19
+4°+2°TueOct 20
−1°WedOct 21
+5°+3°ThuOct 22
−1°FriOct 23
—SatOct 24
—SunOct 25

Upton 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 6:52–7:48 AM
Blue hour: 6:08–6:19 PM; Morning 6:41–6:52 AM; first light 6:41 AM

Stars tonight? Fair

Clear 11:15 PM–6:42 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:19 AM · rises 4:47 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Upton. The highest point on the skyline is about 4,200 ft, 47 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Upton, MA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Blackstone River at Woonsocket

Sudbury River at Saxonville

Blackstone River at Northbridge

West River Below West Hill Dam near Uxbridge

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