71of 100

Today's score

Ticks in Old Lyme, CT

New London County

High risk

Conditions strongly favor tick activity. Cover up, use repellent, and check carefully, including kids and pets.

Updated August 17, 2026

Life stage
Nymphs & lone-star larvae
Forest
81%
Tick species
4 of 5 here

Right now

Latest reading
73°
Temperature
88%
Humidity
4.3"
Recent rain

TickZone for iPhone · now on the App Store

Know the evening before Old Lyme spikes.

7-day outlook

Risk recalculates daily from the local forecast.

Today
71
Tue
68
Wed
65
Thu
56
Fri
55
Sat
57
Sun
58

What's active right now

Deer-tick nymphs are tapering as lone-star seed ticks swarm where that tick is established. Late-summer risk stays meaningful in brushy, wooded areas. Where the lone star tick lives (coastal and southern areas), aggressive larval 'seed tick' swarms peak now.

Local tick habitat

Old Lyme is 98% natural land cover (81% forest, plus open and brushy areas) across its 23.01 sq mi, home to about 7,696 people. That makes it the 4th-most wooded of the 21 towns in New London County. 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.

New London County reports about 127 Lyme cases per 100,000 people a year, in the top 7% of U.S. counties for reported Lyme disease. That county-level disease pressure, combined with Old Lyme's local habitat, sets how high its daily score can climb when the weather and season allow.

Tick control in Old Lyme, CT

Do I need tick control in Old Lyme?

Tick activity in Old Lyme is high today (71/100), and the town is 98% natural land cover, the wooded and brushy habitat ticks quest from. If kids or pets use the yard, this is when a professional barrier treatment does the most good.

Professional tick control in Old Lyme typically means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses.

How much does tick control cost in Old Lyme?

Most homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.

Get a free tick control quote

From a vetted local tick exterminator serving Old Lyme. No cost, no obligation.

Is it tick season in Old Lyme right now?

Yes. Deer-tick nymphs are tapering as lone-star seed ticks swarm where that tick is established. In Old Lyme, today's risk reads high (71/100). Conditions strongly favor tick activity. Cover up, use repellent, and check carefully, including kids and pets.

Nearby towns

Tick risk is local. Check the towns around you.

Stay ahead of ticks in Old Lyme

The TickZone iPhone app alerts you the evening before Old Lyme's risk spikes, so protection happens before the bite.

Download on the App Store