Observed 8:45 PM EDT at KLWM

Andover, MA weather

Clear and 45°7°.

Mostly agree

Now 45°7°

Clear

Wind: Calm; Light through 9 AM
Dew point: 39°4°; Comfortable · down to 31°−1° by 10 PM (dry)
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 34Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.53 inHg1034 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 33°1° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 67°19° tomorrow at 2 PM
Below 50°10° tomorrow night after 9 PM

TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 2 PM · Clear
Tomorrow nightDown to 40°4° by 3 AM · Clear
Monday morningUp to 57°14° by 11 AM · Partly cloudy
Monday afternoonUp to 68°20° by 3 PM · Clear
Monday nightDown to 58°14° by 8 PM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 9p	Clear	46°8° (likely 41°5° to 48°9°)	46°8°	0%	2 mph3 km/h from SW, gusts 6 mph10 km/h	58%	0%	0
Sat 10p	Clear	44°7° (likely 40°4° to 45°7°)	44°7°	0%	1 mph2 km/h from SW, gusts 6 mph9 km/h	60%	0%	0
Sat 11p	Clear	43°6° (likely 39°4° to 43°6°)	43°6°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	65%	0%	0
Sun 12a	Clear	41°5° (likely 38°3° to 43°6°)	41°5°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	67%	0%	0
Sun 1a	Clear	40°4° (likely 37°3° to 43°6°)	40°4°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	67%	0%	0
Sun 2a	Clear	39°4° (likely 36°2° to 42°6°)	39°4°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	70%	0%	0
Sun 3a	Clear	38°3° (likely 35°2° to 41°5°)	38°3°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	73%	0%	0
Sun 4a	Clear	37°3° (likely 34°1° to 40°4°)	37°3°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	72%	0%	0
Sun 5a	Clear	35°2° (likely 33°1° to 39°4°)	35°2°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	78%	0%	0
Sun 6a	Clear	34°1° (likely 33°1° to 39°4°)	34°1°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	85%	0%	0
Sun 7a	Sunny	33°1° (likely 33°1° to 40°4°)	33°1°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	89%	0%	0
Sun 8a	Sunny	35°2° (likely 33°1° to 40°4°)	35°2°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	82%	0%	0
Sun 9a	Sunny	43°6° (likely 39°4° to 45°7°)	43°6°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	62%	0%	1
Sun 10a	Sunny	50°10° (likely 49°9° to 50°10°)	50°10°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	54%	0%	2
Sun 11a	Sunny	56°13° (likely 54°12° to 56°13°)	56°13°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	47%	0%	3
Sun 12p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from SW, gusts 6 mph10 km/h	38%	0%	4
Sun 1p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	33%	0%	4
Sun 2p	Sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	30%	0%	4
Sun 3p	Sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SW, gusts 8 mph12 km/h	30%	0%	3
Sun 4p	Sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	32%	0%	2
Sun 5p	Sunny	64°18° (likely 58°14° to 64°18°)	64°18°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	35%	0%	1
Sun 6p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	44%	0%	0
Sun 7p	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	3 mph5 km/h from SW, gusts 8 mph12 km/h	49%	0%	0
Sun 8p	Clear	50°10° (likely 48°9° to 53°12°)	49°9°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	58%	0%	0
Sun 9p	Clear	48°9° (likely 46°8° to 49°9°)	47°8°	0%	3 mph5 km/h from SW, gusts 10 mph17 km/h	65%	0%	0
Sun 10p	Clear	46°8° (likely 44°7° to 48°9°)	45°7°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	71%	0%	0
Sun 11p	Clear	43°6° (likely 42°6° to 47°8°)	41°5°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	79%	0%	0
Mon 12a	Clear	42°6° (likely 41°5° to 46°8°)	40°4°	0%	3 mph5 km/h from SW, gusts 10 mph16 km/h	82%	0%	0
Mon 1a	Clear	41°5° (likely 39°4° to 46°8°)	39°4°	0%	3 mph5 km/h from SW, gusts 11 mph17 km/h	82%	21%	0
Mon 2a	Clear	41°5° (likely 38°3° to 45°7°)	39°4°	0%	3 mph5 km/h from W, gusts 11 mph17 km/h	82%	11%	0
Mon 3a	Clear	40°4° (likely 38°3° to 44°7°)	38°3°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	82%	23%	0
Mon 4a	Clear	40°4° (likely 38°3° to 44°7°)	38°3°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	85%	0%	0
Mon 5a	Clear	40°4° (likely 37°3° to 43°6°)	38°3°	0%	3 mph5 km/h from W, gusts 10 mph15 km/h	85%	2%	0
Mon 6a	Mostly clear	39°4° (likely 37°3° to 43°6°)	37°3°	0%	3 mph5 km/h from W, gusts 9 mph15 km/h	89%	45%	0
Mon 7a	Sunny	39°4° (likely 36°2° to 43°6°)	37°3°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	89%	19%	0
Mon 8a	Sunny	40°4° (likely 38°3° to 45°7°)	38°3°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	85%	17%	0
Mon 9a	Sunny	46°8° (likely 44°7° to 50°10°)	45°7°	0%	3 mph5 km/h from W, gusts 9 mph15 km/h	68%	55%	1
Mon 10a	Mostly sunny	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from W, gusts 12 mph19 km/h	71%	61%	2
Mon 11a	Mostly sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	59%	23%	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	52%	25%	4
Mon 1p	Mostly sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	6 mph10 km/h from W, gusts 14 mph23 km/h	46%	20%	4
Mon 2p	Sunny	67°19° (likely 66°19° to 69°21°)	67°19°	0%	6 mph10 km/h from W, gusts 14 mph22 km/h	45%	30%	4
Mon 3p	Sunny	68°20° (likely 66°19° to 70°21°)	68°20°	0%	6 mph10 km/h from W, gusts 14 mph23 km/h	45%	5%	3
Mon 4p	Sunny	68°20° (likely 64°18° to 69°21°)	68°20°	0%	5 mph8 km/h from W, gusts 14 mph23 km/h	49%	15%	2
Mon 5p	Sunny	67°19° (likely 63°17° to 68°20°)	67°19°	0%	5 mph8 km/h from W, gusts 14 mph23 km/h	52%	20%	1
Mon 6p	Clear	65°18° (likely 59°15° to 65°18°)	65°18°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	56%	28%	0
Mon 7p	Mostly clear	61°16° (likely 58°14° to 61°16°)	61°16°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	65%	27%	0
Mon 8p	Mostly clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	72%	35%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 59°15°, low 33°1°. Typical 61°16° / 38°3°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Tonight: Patchy frost after 5am. Clear, with a low around 33. Southwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
29°−2°–33°1°
Typical high / low
61°16° / 38°3°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 38°3°. Typical 60°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 67. Southwest wind 1 to 5 mph.
Night: Clear, with a low around 38. Southwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–67°19°
Low, likely
33°1°–39°4°
Typical high / low
60°16° / 38°3°
Wind
7 mph12 km/h, gusts 16 mph25 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 39°4°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. West wind around 6 mph.
Night: Mostly clear, with a low around 39. Northwest wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
36°2°–42°6°
Typical high / low
60°16° / 38°3°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 53°12°, low 29°−2°. Typical 60°16° / 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, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 53. North wind around 6 mph.
Night: Clear, with a low around 29. North wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–53°12°
Low, likely
29°−2°–39°4°
Typical high / low
60°16° / 38°3°
Wind
10 mph15 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 55°13°, low 35°2°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 55. East wind around 2 mph.
Night: Mostly clear, with a low around 35. South wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
30°−1°–35°2°
Typical high / low
59°15° / 37°3°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 65°18°, low 47°8°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65. Southwest wind 3 to 9 mph, with gusts as high as 21 mph.
Night: Mostly clear, with a low around 47. Southwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
40°4°–47°8°
Typical high / low
59°15° / 37°3°
Wind
12 mph20 km/h, gusts 34 mph55 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 69°21°, low 43°6°. Typical 58°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69. West wind around 7 mph.
Night: Partly cloudy, with a low around 43. Northwest wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–73°23°
Low, likely
43°6°–51°11°
Typical high / low
58°14° / 37°3°
Wind
10 mph16 km/h, gusts 25 mph41 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 64°18°, low 44°7°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°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 64. Northeast wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–68°20°
Low, likely
41°5°–47°8°
Typical high / low
58°14° / 36°2°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 65°18°, low 46°8°. Typical 58°14° / 36°2°. Rain, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  30% chance · 0.02 in0.4 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
62°17°–70°21°
Low, likely
41°5°–48°9°
Typical high / low
58°14° / 36°2°
Wind
10 mph15 km/h, gusts 29 mph47 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 67°19°, low 56°13°. Typical 58°14° / 36°2°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  30% chance · 0.07 in1.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  30% chance · 0.05 in1.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°16°
  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°–72°22°
Low, likely
52°11°–65°18°
Typical high / low
58°14° / 36°2°
Wind
14 mph22 km/h, gusts 36 mph58 km/h

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 33°.
Tomorrow
Dry, high 67°, low 38°, warming up.
Monday
Dry, high 68°, low 39°.
Rest of week
Mostly dry, highs 53–69°.

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

Shawsheen River at Andover

1.1 mi

Below flood stage

Level: 23.8 ft
Flow: 22 cfs

Forecast peak 23.8 ft Sun 2 AM

Reading from Sat 8:15 PM · NWS gauge page

Shawsheen River at Wilmington

7.1 mi

Below flood stage

Level: 2.2 ft
Flow: 15 cfs

Forecast peak 2.2 ft Sun 2 AM

Reading from Sat 7:30 PM · NWS gauge page

Merrimack River at Lowell

8.0 mi

Below flood stage

Level: 42.2 ft
Flow: 2,380 cfs

Forecast peak 42.2 ft Sun 2 AM

Reading from Sat 7:30 PM · NWS gauge page

Concord River at Lowell

8.2 mi

Below flood stage

Level: 4.4 ft
Flow: 187 cfs

Forecast peak 4.4 ft Sun 2 AM

Reading from Sat 7:30 PM · NWS gauge page

For your home

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

Heating this week

About 74% less heating than a typical week.

This week 30Typical 115

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 24
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 12 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Sun, 12:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Bedford Hanscom Field · official normals 1991–2020 · records 1949–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−6°−4°MonOct 19
−2°−1°TueOct 20
±0°WedOct 21
+4°+2°ThuOct 22
−6°−3°FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 37 min less
Golden hour: 5:09–6:06 PM; Morning 6:50–7:47 AM
Blue hour: 6:06–6:17 PM; Morning 6:39–6:50 AM; first light 6:39 AM

Stars tonight? Fair

Clear 9 PM–6:40 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:17 AM · rises 4:45 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Andover. The highest point on the skyline is about 5,400 ft, 45 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Andover, MA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Shawsheen River at Andover

Shawsheen River at Wilmington

Merrimack River at Lowell

Concord River at Lowell

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