TickZoneHow the score works
50of 100

Today's tick risk

Groton, MA

Middlesex County

Moderate risk

Ticks are active. Use repellent, stick to trails, and do a tick check when you come inside.

Updated June 30, 2026

Right now
72°F · 86%
Life stage
Nymphs
Sightings
15 · 15mi

7-day outlook

Risk recalculates daily from the local forecast.

Today
50
Wed
46
Thu
35
Fri
31
Sat
44
Sun
57
Mon
56

What's active right now

Nymphs are questing, the highest-risk stage for people. Nymphal deer ticks peak in late spring and summer. They're the size of a poppy seed, easy to miss, and cause most Lyme transmission.

Recent tick sightings

Within ~15 mi · last 30 days

15
observations logged nearby (iNaturalist)
  • Dermacentor variabilisJun 29
  • Ixodes scapularisJun 27
  • Dermacentor variabilisJun 27
  • Dermacentor variabilisJun 26
  • Dermacentor variabilisJun 25
  • Dermacentor variabilisJun 25

Local tick habitat

Groton is 65% natural land cover (58% forest, plus open and brushy areas) across its 32.77 sq mi. Deer ticks live in wooded areas, along trail edges, and in tall grass. The more of that a town has, the more places ticks can quest.

Is it tick season in Groton right now?

Yes. Nymphs are questing, the highest-risk stage for people. In Groton, today's risk reads moderate (50/100). Ticks are active. Use repellent, stick to trails, and do a tick check when you come inside.

Nearby towns in Middlesex County

Tick risk is local. Check the towns around you.

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