Pest Forecast for Walworth County, Wisconsin

Walworth County, Wisconsin · Pop. 106,478

54
/100
MODERATE OVERALL RISK

Walworth County is currently experiencing moderate overall pest risk. Most active: Ticks (85), Spiders (73), Mosquitoes (60).

Last updated: October 1, 2026 · Source: Open-Meteo Professional Weather Data

Current Weather Conditions

62.7°F
Temperature
Feels like 64.3°F
93%
Humidity
Dewpoint 60.7°F
0.008"
Rain (24h)
7-day: 0.23"
4.8 mph
Wind
Gusts 11.9 mph
63.2°F
Soil Temperature
Active pest zone
38%
Soil Moisture
Saturated
0.22"
Rain (3-day)
0.23"
Rain (7-day)

Source: Open-Meteo weather models for Walworth County area · Updated Oct 1, 9:01 PM

30-Day Weather Summary

73.1°F
Avg High
↓ vs avg
7.51"
Total Rainfall
19 rainy days

7-Day Weather Forecast

Today
Oct 1
65°
59°
92%
0.654" rain
Fri
Oct 2
58°
47°
6%
Sat
Oct 3
64°
44°
Sun
Oct 4
67°
48°
2%
Mon
Oct 5
60°
43°
Tue
Oct 6
63°
43°
Wed
Oct 7
65°
50°
5%
0.13" rain
19

All Pest Risk Scores for Walworth County

Ticks
Steady
85
/100
SEVERE

Temps of 62.7°F are in the tick questing range.

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Spiders
Steady
73
/100
HIGH

Humidity at 93% attracts insects, drawing spiders.

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Mosquitoes
Steady
60
/100
HIGH

Warm temps (62.7°F) support mosquito activity.

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Ants
Steady
50
/100
MODERATE

Warm conditions (62.7°F) keep ant foraging active.

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Termites
Steady
50
/100
MODERATE

Current conditions are limiting termite surface activity.

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Wasps
Steady
42
/100
MODERATE

Current temps (62.7°F) are limiting wasp activity.

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Mice & Rats
Steady
15
/100
LOW

Mild temps (62.7°F) reduce indoor rodent pressure.

View Full Forecast →

3-Day Pest Outlook for Walworth County

Pest TodayFriSat
Ticks
85 🔴90 🔴 +590 🔴 +5
Spiders
73 🟠81 🔴 +881 🔴 +8
Mosquitoes
60 🟠60 🟠60 🟠
Ants
50 🟡50 🟡50 🟡
Termites
50 🟡50 🟡50 🟡
Wasps
42 🟡42 🟡42 🟡
Mice & Rats
15 🟢20 🟢 +520 🟢 +5

Projected from Open-Meteo forecast data. Actual scores update every 3 hours.

Need Pest Control in Walworth County?

Ticks risk is SEVERE (85/100)

Professional treatment is recommended when scores are this high.

9 homeowners in Walworth County have requested inspections

Pest Seasonality in Walworth County

Month Active Pests
Jan Mice/Rats (indoor), Spiders (indoor)
Feb Mice/Rats (indoor)
Mar Ants (early), Termites (swarm season starts)
Apr Ticks (season starts), Ants, Termites
May Ticks (peak nymphs), Mosquitoes (start), Ants
Jun Ticks (peak), Mosquitoes (surge), Wasps (nest building)
Jul Mosquitoes (peak), Ticks, Wasps
Aug Mosquitoes (peak), Wasps (peak), Spiders (increase)
Sep Wasps (aggressive), Spiders, Mice (seeking warmth)
Oct ← Now Mice/Rats (peak intrusion), Spiders (indoor)
Nov Mice/Rats (indoor)
Dec Mice/Rats (indoor)

Nearby Cities

Lake Geneva
53/100 🟡
Mukwonago
54/100 🟡
Fort Atkinson
54/100 🟡
Delafield
53/100 🟡
Oconomowoc
51/100 🟡
Muskego
55/100 🟡
Waukesha
53/100 🟡
Hartland
50/100 🟡

Pest FAQ for Walworth County

What pests are active in Walworth County right now?
Currently active pests in Walworth County: Ticks (severe risk, score 85/100), Spiders (high risk, score 73/100), Mosquitoes (high risk, score 60/100), Ants (moderate risk, score 50/100), Termites (moderate risk, score 50/100), Wasps (moderate risk, score 42/100). Scores are updated every 3 hours from real-time weather data.
Early spring (March-April) is the most effective time for preventive treatment in Walworth County. This is when pest populations are lowest and treatments can prevent infestations before they start. For mosquitoes and ticks, treatments in May before peak season are especially cost-effective.
Average pest control costs in Walworth County range from $150-$300 for a one-time treatment and $40-$70/month for ongoing quarterly service. Termite treatments are higher, typically $1,500-$5,000. Mosquito yard treatments run $75-$100 per application. Get free quotes from local pros through our platform.
Walworth County sees all 7 tracked pest types seasonally: ticks (Apr-Oct), mosquitoes (May-Sep), ants (spring-summer, especially after rain), wasps (Jun-Sep), spiders (year-round, peak indoors in fall), mice/rats (peak Oct-Mar), and termites (swarm season Mar-Jun). Use our forecasts to see what's active right now.
Most Wisconsin homeowners benefit from quarterly pest control service. During peak season (May-September), monthly treatments may be recommended for mosquitoes and ticks. Year-round quarterly service provides the best value for comprehensive protection against seasonal pests.

Walworth County Pest Forecast by Type

Ticks
85/100 · severe
Mosquitoes
60/100 · high
Ants
50/100 · moderate
Wasps
42/100 · moderate
Spiders
73/100 · high
Mice & Rats
15/100 · low
Termites
50/100 · moderate

Pest Control Articles for Walworth County

8 min read

Wisconsin Pest Forecast: What to Expect Spring 2026

Which pests are becoming active across Wisconsin this spring, current risk scores for major cities, weather conditions to watch, and prevention tips for every pest type.

 10 min read

When Is Tick Season in Wisconsin? A Data-Driven Guide

Tick season timing in Wisconsin, how temperature and humidity drive tick activity, current tick scores for top cities, and evidence-based prevention strategies.

 12 min read

How Weather Affects Pest Activity: The Science Behind Our Forecasts

The scientific relationship between weather conditions and pest behavior for all 7 tracked pest types, including temperature thresholds, humidity effects, rainfall impact, and degree-day models.

Browse all pest control articles →

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