Middlesex Fells Reservation, MA

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Middlesex Fells Reservation landscape and visitor setting

Today’s Forecast:

84°F
Current Temperature
Mostly Clear
Station: KBOS
Observed at: 11:30 am CDT on 8/30/26
Wind: 13 mph | Humidity: 37%
Today:Mostly cloudy, with a high near 86. Southwest wind 7 to 10 mph.
Tonight:A slight chance of rain showers between 10pm and 11pm. Mostly cloudy, with a low around 65. West wind 3 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Monday:Sunny, with a high near 79. Northeast wind 3 to 8 mph.
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Today’s Report:

🥾 Hiking

Good
  79 /100

Good for hiking. High near 85°F. Low rain risk (6%). Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 90/100
Excellent for hiking. High near 78°F. Light wind (8 mph).

🚲 Biking

Good
  81 /100

Good for biking. High near 85°F. Low rain risk (6%). Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for biking. High near 78°F. Light wind (8 mph).

About Middlesex Fells Reservation

The representative forecast point covers the main visitor approach, but conditions can differ across high ground, forest interiors, distant access points. Important decisions involve rocky trail footing, mountain-bike conditions, Spot Pond operations, forest wind, humidity and snowfall.

Planning an Outing at Middlesex Fells Reservation

Check the exact trail, route, Nordic trail notice that applies to the chosen activity. The observation near Medford should not be treated as proof of conditions across the entire coverage area.

Weather Tips for Middlesex Fells Reservation

  • Leave ridges and high ground when thunder is heard.
  • Check wind, visibility, access and seasonal operations shortly before departure.
  • Carry layers, sun protection and enough water for humidity, wind and rapid temperature changes.
  • Follow official closures, wildlife restrictions and emergency instructions.

Nearby Towns and Areas

Use this forecast as practical context for plans near:

  • Medford
  • Stoneham
  • Melrose
  • Winchester
  • Spot Pond

Adjust the Day to the Forecast

Choose broad carriage roads instead of technical rock when trails are wet or icy; Spot Pond may be discussed as a seasonal operation, but no paddling card is displayed.

7-Day Forecast for Middlesex Fells Reservation

84°F
Current Temperature
Mostly Clear
Station: KBOS
Observed at: 11:30 am CDT on 8/30/26
Wind: 13 mph | Humidity: 37%
Sun
86° 65°
4%
Mon
79° 64°
0%
Tue 🌧
75° 62°
86%
Wed 🌧
73° 62°
33%
Thu 🌧
74° 63°
60%
Fri 🌧
75° 61°
25%
Sat 🌧
74° 59°
31%

7-Day High Temperature Trend

86° Sun 79° Mon 75° Tue 73° Wed 74° Thu 75° Fri 74° Sat

7-Day Low Temperature Trend

65° Sun 64° Mon 62° Tue 62° Wed 63° Thu 61° Fri 59° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Sun 75 Mon 21 Tue 95 Wed 94 Thu 100 Fri 95 Sat
Forecast data from the National Weather Service  |  Last Updated: August 30, 2026 12:14 pm CDT

Middlesex Fells Reservation Weather by Season

Winter

Cross-country skiing is possible with sufficient natural snow, while ice and packed paths can make ordinary trails difficult.

Spring

Wet ground and freeze-thaw damage require restraint before mountain-bike routes dry.

Summer

Dense woods retain humidity, and thunderstorms can bring falling limbs even when city streets remain calm.

Fall

Dry foliage improves hiking and riding until leaf cover conceals obstacles and early ice returns.

Key Climate Data Points

  • Local climate: Northern Boston suburbs; annual mean temperature about 51°F; roughly 46–49 inches precipitation; around 45–55 inches snow; best trail conditions late spring and fall.
  • Warmest period: July heat is moderated on shaded forest roads but amplified on rocky overlooks and open reservoir edges.
  • Coolest period: January brings variable snow; packed paths and shaded ledges commonly refreeze after thaws.
  • Primary storm or hazard season: Spring mud, falling limbs in strong wind and fast summer thunderstorms are more consequential than regional temperature alone.
  • Best general outdoor window: May, June and September tend to combine firm routes, leaf cover and manageable temperatures for riding or hiking.