Observed 3:10 AM EDT at KBOS

Somerville, MA weather

Clear and 43°6°.

Mostly agree

Now 43°6°

Clear · Feels like 39°4°

Wind: 7 mph11 km/h; From the west-northwest. Up to 7 mph11 km/h through 3 PM
Dew point: 34°1°; Dry, static shocks likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 51Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.49 inHg1033 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (48°9° then, 42°6° now)

Good hours for

Low 39°4° today at 7 AM
Above 50°10° today by 11 AM
High 60°16° today at 2 PM
Below 50°10° tonight after 8 PM

TonightNear 40°4° · Clear
This morningUp to 53°12° by 11 AM · Clear
This afternoonNear 57°14° · Clear
TonightDown to 42°6° by 4 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 3 PM · Clear
Tomorrow nightDown to 45°7° by 2 AM · 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 3a	Clear	40°4° (likely 33°1° to 40°4°)	40°4°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	62%	1%	0
Sat 4a	Clear	41°5° (likely 33°1° to 41°5°)	41°5°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	59%	2%	0
Sat 5a	Clear	40°4° (likely 32°0° to 40°4°)	40°4°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	59%	8%	0
Sat 6a	Mostly clear	40°4° (likely 32°0° to 40°4°)	40°4°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	59%	25%	0
Sat 7a	Mostly sunny	39°4° (likely 32°0° to 39°4°)	39°4°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	62%	18%	0
Sat 8a	Sunny	40°4° (likely 33°1° to 40°4°)	38°3°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	59%	10%	0
Sat 9a	Sunny	43°6° (likely 38°3° to 43°6°)	43°6°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	55%	8%	1
Sat 10a	Sunny	48°9° (likely 44°7° to 48°9°)	48°9°	0%	2 mph3 km/h from NW, gusts 5 mph7 km/h	49%	5%	2
Sat 11a	Sunny	53°12° (likely 49°9° to 53°12°)	53°12°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	43%	5%	3
Sat 12p	Sunny	57°14° (likely 53°12° to 57°14°)	57°14°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	37%	7%	4
Sat 1p	Sunny	59°15° (likely 55°13° to 59°15°)	59°15°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	36%	3%	4
Sat 2p	Sunny	60°16° (likely 56°13° to 60°16°)	60°16°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	35%	1%	4
Sat 3p	Sunny	60°16° (likely 57°14° to 61°16°)	60°16°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	33%	0%	3
Sat 4p	Sunny	59°15° (likely 56°13° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 7 mph11 km/h	33%	0%	2
Sat 5p	Sunny	57°14° (likely 54°12° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	34%	0%	1
Sat 6p	Clear	54°12° (likely 50°10° to 55°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 5 mph9 km/h	38%	0%	0
Sat 7p	Clear	52°11° (likely 47°8° to 52°11°)	52°11°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	39%	0%	0
Sat 8p	Clear	49°9° (likely 45°7° to 49°9°)	49°9°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	44%	0%	0
Sat 9p	Clear	47°8° (likely 43°6° to 47°8°)	47°8°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	47%	0%	0
Sat 10p	Clear	46°8° (likely 42°6° to 47°8°)	46°8°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	49%	0%	0
Sat 11p	Clear	45°7° (likely 41°5° to 47°8°)	45°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	51%	1%	0
Sun 12a	Clear	44°7° (likely 39°4° to 45°7°)	44°7°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	55%	0%	0
Sun 1a	Clear	43°6° (likely 39°4° to 43°6°)	43°6°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	57%	0%	0
Sun 2a	Clear	43°6° (likely 38°3° to 43°6°)	43°6°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	60%	0%	0
Sun 3a	Clear	43°6° (likely 37°3° to 43°6°)	43°6°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	60%	0%	0
Sun 4a	Clear	42°6° (likely 37°3° to 42°6°)	42°6°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	60%	0%	0
Sun 5a	Clear	42°6° (likely 36°2° to 42°6°)	42°6°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	60%	0%	0
Sun 6a	Clear	41°5° (likely 36°2° to 41°5°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	62%	6%	0
Sun 7a	Sunny	41°5° (likely 35°2° to 41°5°)	41°5°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	59%	9%	0
Sun 8a	Sunny	43°6° (likely 36°2° to 43°6°)	43°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	55%	8%	0
Sun 9a	Sunny	47°8° (likely 41°5° to 47°8°)	47°8°	0%	2 mph3 km/h from W, gusts 5 mph7 km/h	49%	0%	1
Sun 10a	Sunny	52°11° (likely 50°10° to 52°11°)	52°11°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	43%	0%	2
Sun 11a	Sunny	56°13° (likely 55°13° to 57°14°)	56°13°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	38%	0%	3
Sun 12p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	3 mph5 km/h from SW, gusts 6 mph10 km/h	35%	0%	4
Sun 1p	Sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	33%	0%	4
Sun 2p	Sunny	63°17° (likely 63°17° to 66°19°)	63°17°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	34%	0%	4
Sun 3p	Sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	3 mph5 km/h from SW, gusts 8 mph14 km/h	32%	0%	3
Sun 4p	Sunny	64°18° (likely 62°17° to 67°19°)	64°18°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	32%	0%	2
Sun 5p	Sunny	63°17° (likely 59°15° to 65°18°)	63°17°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	34%	0%	1
Sun 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	36%	0%	0
Sun 7p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	42%	0%	0
Sun 8p	Clear	53°12° (likely 48°9° to 53°12°)	53°12°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	48%	0%	0
Sun 9p	Clear	51°11° (likely 44°7° to 53°12°)	51°11°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	56%	0%	0
Sun 10p	Clear	49°9° (likely 42°6° to 52°11°)	47°8°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	63%	0%	0
Sun 11p	Clear	48°9° (likely 41°5° to 51°11°)	46°8°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	71%	0%	0
Mon 12a	Clear	47°8° (likely 42°6° to 50°10°)	45°7°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	71%	0%	0
Mon 1a	Clear	46°8° (likely 42°6° to 49°9°)	44°7°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	73%	0%	0
Mon 2a	Clear	45°7° (likely 42°6° to 49°9°)	43°6°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	73%	0%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 60°16°, low 36°2°. Typical 59°15° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Today: Sunny, with a high near 60. West wind 0 to 3 mph.
Tonight: Mostly clear, with a low around 36. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
32°0°–36°2°
Typical high / low
59°15° / 45°7°
Wind
6 mph9 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 41°5°. Typical 59°15° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 64. Southwest wind 1 to 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
63°17°–67°19°
Low, likely
35°2°–41°5°
Typical high / low
59°15° / 44°7°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 42°6°. Typical 59°15° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 47°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 42. Northwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–71°22°
Low, likely
41°5°–45°7°
Typical high / low
59°15° / 44°7°
Wind
9 mph14 km/h, gusts 24 mph39 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 53°12°, low 33°1°. Typical 58°14° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 53. North wind 3 to 8 mph.
Night: Clear, with a low around 33. North wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–55°13°
Low, likely
33°1°–42°6°
Typical high / low
58°14° / 44°7°
Wind
10 mph17 km/h, gusts 21 mph34 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 54°12°, low 37°3°. Typical 58°14° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 54. Northeast wind around 5 mph.
Night: Mostly clear, with a low around 37. South wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–54°12°
Low, likely
31°−1°–37°3°
Typical high / low
58°14° / 44°7°
Wind
9 mph14 km/h, gusts 15 mph25 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 63°17°, low 49°9°. Typical 58°14° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63. Southwest wind 3 to 10 mph.
Night: Mostly clear, with a low around 49. Southwest wind around 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
39°4°–49°9°
Typical high / low
58°14° / 43°6°
Wind
11 mph18 km/h, gusts 31 mph50 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 67°19°, low 48°9°. Typical 57°14° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67. West wind around 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
46°8°–49°9°
Typical high / low
57°14° / 43°6°
Wind
11 mph18 km/h, gusts 25 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 64°18°, low 47°8°. Typical 57°14° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  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
57°14°–71°22°
Low, likely
45°7°–48°9°
Typical high / low
57°14° / 43°6°
Wind
10 mph17 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 65°18°, low 48°9°. Typical 57°14° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 54°12°
  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°–70°21°
Low, likely
43°6°–53°12°
Typical high / low
57°14° / 42°6°
Wind
10 mph16 km/h, gusts 23 mph37 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 66°19°, low 54°12°. Typical 56°13° / 42°6°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  30% chance · 0.05 in1.3 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
51°11°–58°14°
Typical high / low
56°13° / 42°6°
Wind
15 mph25 km/h, gusts 39 mph62 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 36°.
Tomorrow
Dry, high 64°, low 41°, warming up.
Monday
Dry, high 68°, low 42°, warming up.
Rest of week
Mostly dry, highs 53–67°.

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

Boston Harbor at Boston (IN MLLW)

3.6 mi

Below flood stage

Level: 4.2 ft

Forecast peak 11.0 ft Mon 12 PM

Reading from Sat 2:06 AM · NWS gauge page

Charles River at Dover

12 mi

Below flood stage

Level: 1.0 ft
Flow: 109 cfs

Forecast peak 1.0 ft Sat 8 AM

Reading from Sat 1:45 AM · NWS gauge page

Shawsheen River at Wilmington

14 mi

Below flood stage

Level: 2.2 ft
Flow: 15 cfs

Forecast peak 2.2 ft Sat 8 AM

Reading from Sat 1:30 AM · NWS gauge page

Muddy River at Brookline

3.7 mi

Below flood stage

Level: 7.5 ft

Reading from Sat 1:30 AM · NWS gauge page

For your home

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

Heating this week

About 70% less heating than a typical week.

This week 29Typical 98

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.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Today, 2:00 PM–3:00 PM

Good stretch to open the windows.

Is this typical?

Boston Area · official normals 1991–2020 · records 1872–2026

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°2° colder than normal (daily mean temperature).

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

Somerville 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 36 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? Good

Clear 3:37–6:39 AM; moon 96% lit, sets 5:17 AM.

Moon

Waxing gibbous

96% lit · growing

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

Looking east from Somerville. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Somerville, MA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Boston Harbor at Boston (IN MLLW)

Charles River at Dover

Shawsheen River at Wilmington

Muddy River at Brookline

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? Good

Moon