Somerville, MA 02145 Weather

Middlesex County5:42 PM EDT42.39°N, 71.09°W

Current conditions

Mostly Sunny
61°
Mostly Sunny
Feels like 61°
High 62°·Low 42°
WindN 9 mph gusts 18 mph
Humidity42%
Dew point38°
Visibility9.0 mi
Cloud cover28%
UV index0 Low
Sunrise7:06 AM
Sunset5:53 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day
  • This Afternoon

    Mostly sunny, with a high near 62. North wind 9 to 13 mph, with gusts as high as 23 mph.

  • Tonight

    Mostly clear, with a low around 42. North wind 9 to 14 mph.

  • Friday

    Sunny, with a high near 55. North wind 5 to 10 mph.

National Weather Service forecast updated 2 hrs ago.

  1. Now Mostly Sunny 61°
  2. 6 PM Mostly Clear 58°
  3. 7 PM Mostly Clear 56°
  4. 8 PM Partly Cloudy 54°
  5. 9 PM Partly Cloudy 53°
  6. 10 PM Mostly Clear 52°
  7. 11 PM Mostly Clear 51°
  8. Fri12 AM Clear 49°
  9. 1 AM Clear 48°
  10. 2 AM Clear 47°
  11. 3 AM Clear 46°
  12. 4 AM Clear 45°
  13. 5 AM Clear 44°
  14. 6 AM Sunny 42°
  15. 7 AM Sunny 42°
  16. 8 AM Sunny 42°
  17. 9 AM Sunny 45°
  18. 10 AM Sunny 48°
  19. 11 AM Sunny 51°
  20. 12 PM Sunny 52°
  21. 1 PM Sunny 54°
  22. 2 PM Sunny 55°
  23. 3 PM Sunny 55°
  24. 4 PM Sunny 55°

10-day forecast

Details
  1. TodayOct 22 Mostly Sunny Mostly Sunny42°62°
  2. FriOct 23 Sunny Sunny36°55°
  3. SatOct 24 Sunny Sunny39°59°
  4. SunOct 25 Sunny Sunny39°63°
  5. MonOct 26 Sunny Sunny45°67°
  6. TueOct 27 Sunny Sunny36°55°
  7. WedOct 28 Mostly Sunny Mostly Sunny39°54°
  8. ThuOct 29 Mostly sunny Mostly sunny40°60°
  9. FriOct 30 Cloudy Cloudy40°59°
  10. SatOct 31 Sunny Sunny38°54°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news near Somerville

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Air quality

26
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • ThuGood
  • FriGood
  • SatGood

Boston Metro, MA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:06 AM
Sunset 5:53 PM
Daylight 10 h 47 min (−2 min 41 s tomorrow)
Waxing Gibbous · 88% lit
Moonrise 3:58 PM Moonset 3:04 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low60° / 46°
Record high83° (1979)
Record low28° (1940)
Wettest1.53 in (1898)
Yesterday56° / 46°
Month to date2.09 in (normal 2.72 in)

Boston Area, records since 1872. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in BOX, issued 2 hrs ago

What Has Changed

Gale Warnings have begun to be replaced by Small Craft Advisories for near shore southern waters, and this will continue over the next 24 hours.

Key Messages

-Cooler day on Friday with plenty of sun and diminishing wind.

- Prolonged stretch of dry weather with seasonable temperatures prevails this weekend into much of next week.

Discussion

KEY MESSAGE 1...Cooler day on Friday with plenty of sun and diminishing wind.

Friday will continue the stretch of beautiful Fall weather for the region as we say goodbye to any influence from Subtropical Storm Josephine, replaced by building high pressure encroaching from the north. The weakening gradient will mean less of that northerly wind through the day. After winds initially start out breezy, gusting 15- 25 mph they'll end the day much lighter. Overnight in fact, under high pressure winds will become calm under clear skies, so lows were trended toward the colder MOS guidance, in the upper 20s to low 30s. This, after a cooler day on Friday after cold advection kicks in aloft; 925mb temps drop from 9C today to 0-1C on Friday leading to highs in the 50s.

KEY MESSAGE 2...Prolonged stretch of dry weather with seasonable temperatures prevails this weekend into much of next week.

A prolonged stretch of dry but pleasant autumn weather is in store for Southern New England spanning this weekend then continuing into a large portion of the upcoming workweek. Expansive area of surface high pressure of around 1030-1034 mb will remain anchored across the Northeast and mid-Atlantic region, with mild days and cool nights with strong diurnal temperature ranges. About the only nuanced difference is that a cold front sags southward Monday night into Tuesday with a cooler northern-stream airmass filtering southward; but the front is moisture-starved and only seems capable of producing some enhanced cloudiness Monday evening and a cooldown in high temps moving into next week. Mildest days look to be this weekend with temperatures in the mid to upper 60s, but there could be a shot at 70 degrees with several days of dry weather serving as a mild feedback mechanism for overachieving maximum temps over guidance. Highs then cool off into the mid 50s to low 60s for early next week as the cooler lower-level airmass works it way in (925 mb temps dip to around +2 to +4C), only modifying toward mid to late next week.

Aviation

Forecaster Confidence Levels...

Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.

18Z TAF Update:

This afternoon...High confidence in trends.

VFR. NE winds of 15 to 25 kt along the eastern and southeastern coast, with gusts of 25 to 40 kt. Strongest gusts expected at ACK, with lower gusts along the coastal plain. Farther inland, N winds of 10 to 14 kt with gusts of 20 to 25 kts.

Tonight...High confidence.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.