Today's tick risk
Lexington, MA
Middlesex County
Low risk
Tick activity is low right now, but never zero. A quick check after time outdoors is still worth it.
Updated June 30, 2026
- Right now
- 73°F · 87%
- Life stage
- Nymphs
- Sightings
- 0 · 15mi
7-day outlook
Risk recalculates daily from the local forecast.
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
Local tick habitat
Lexington is 29% natural land cover (24% forest, plus open and brushy areas) across its 16.43 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 Lexington right now?
Yes. Nymphs are questing, the highest-risk stage for people. In Lexington, today's risk reads low (24/100). Tick activity is low right now, but never zero. A quick check after time outdoors is still worth it.
Nearby towns in Middlesex County
Tick risk is local. Check the towns around you.
Get Lexington's tick risk on your home screen
The TickZone app (coming soon) adds a color widget and daily alerts.
Join the waitlist