Middlesex Fells Reservation, MA

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Middlesex Fells Reservation landscape and visitor setting
Middlesex Fells Reservation — Photo by Melikamp, CC BY-SA 3.0, via Wikimedia Commons.

Today’s Forecast:

☁
48°F
High: 51° | Low: 40°
Current Temperature
Cloudy
Station: KBOS
Observed at: 1:20 am CST on 11/12/26
Wind: 3 mph | Humidity: 87%
Overnight:Cloudy, with a low around 40. North wind around 3 mph.
Thursday:Rain likely after 7am. Mostly cloudy, with a high near 53. Northeast wind 3 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night:Rain. Cloudy, with a low around 37. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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Today’s Report:

🥾 Hiking

Use Caution
  44 /100

Use Caution for hiking. High near 51°F. Rain forecast later today (65%). Light wind (12 mph).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 12/100
Not Recommended for hiking. High near 40°F. High rain probability (71%). Light wind (13 mph).

🚲 Biking

Use Caution
  42 /100

Use Caution for biking. High near 51°F. Rain forecast later today (65%). Light wind (12 mph).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 3/100
Not Recommended for biking. High near 40°F. High rain probability (71%). Light wind (13 mph). Temperatures outside comfort limits (40°F).

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

☁
48°F
High: 51° | Low: 40°
Current Temperature
Cloudy
Station: KBOS
Observed at: 1:20 am CST on 11/12/26
Wind: 3 mph | Humidity: 87%
Thu 🌧
53° 37°
71%
Fri 🌧
42° 33°
71%
Sat ☁
47° 33°
10%
Sun ⛅
50° 35°
3%
Mon ☀
50° 31°
0%
Tue ☀
53° 32°
0%
Wed ☀
58° --°
0%

7-Day High Temperature Trend

53° Thu 42° Fri 47° Sat 50° Sun 50° Mon 53° Tue 58° Wed

7-Day Low Temperature Trend

37° Thu 33° Fri 33° Sat 35° Sun 31° Mon 32° Tue 50° Wed

📊 7-Day Outdoor Outlook

Good Fair Poor 79 Thu 19 Fri 20 Sat 70 Sun 70 Mon 85 Tue 100 Wed
Forecast data from the National Weather Service  |  Last Updated: November 12, 2026 3:15 am CST

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.