Today's tick risk
Littleton, 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
- 72°F · 85%
- 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
Littleton is 50% natural land cover (41% forest, plus open and brushy areas) across its 16.52 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 Littleton right now?
Yes. Nymphs are questing, the highest-risk stage for people. In Littleton, today's risk reads low (33/100). 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.
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