Pest Forecast for Janesville, Wisconsin

Janesville, Wisconsin · Rock County County · Pop. 65,615

55
/100
MODERATE OVERALL RISK

Janesville is currently experiencing moderate overall pest risk. Most active: Ticks (85), Spiders (73), Mosquitoes (68).

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

Current Weather Conditions

64°F
Temperature
Feels like 64.9°F
88%
Humidity
Dewpoint 60.4°F
0.004"
Rain (24h)
7-day: 0.32"
6.2 mph
Wind
Gusts 13.9 mph
62.9°F
Soil Temperature
Active pest zone
38%
Soil Moisture
Saturated
0.28"
Rain (3-day)
0.32"
Rain (7-day)

Source: Open-Meteo weather models for Janesville area · Updated Oct 1, 9:02 PM

30-Day Weather Summary

73.8°F
Avg High
↓ vs avg
7.1"
Total Rainfall
19 rainy days

7-Day Weather Forecast

Today
Oct 1
65°
58°
95%
0.65" rain
Fri
Oct 2
59°
47°
3%
Sat
Oct 3
65°
42°
Sun
Oct 4
67°
48°
2%
Mon
Oct 5
61°
44°
Tue
Oct 6
64°
43°
Wed
Oct 7
66°
50°
6%
0.094" rain

All Pest Risk Scores for Janesville

Ticks
Steady
85
/100
SEVERE

Temps of 64°F are in the tick questing range.

View Full Forecast →
Spiders
Steady
73
/100
HIGH

Humidity at 88% attracts insects, drawing spiders.

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Mosquitoes
Steady
68
/100
HIGH

Warm temps (64°F) support mosquito activity.

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Ants
Steady
50
/100
MODERATE

Warm conditions (64°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 (64°F) are limiting wasp activity.

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Mice & Rats
Steady
15
/100
LOW

Mild temps (64°F) reduce indoor rodent pressure.

View Full Forecast →

3-Day Pest Outlook for Janesville

Pest TodayFriSat
Ticks
85 🔴90 🔴 +590 🔴 +5
Spiders
73 🟠81 🔴 +881 🔴 +8
Mosquitoes
68 🟠68 🟠68 🟠
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 Janesville?

Ticks risk is SEVERE (85/100)

Professional treatment is recommended when scores are this high.

12 homeowners in Janesville have requested inspections

Pest Seasonality in Janesville

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)

Pest Control Companies in Janesville

Greenix Pest Control
Janesville
+1 608-302-6563
Blue Pest Control & Home Services LLC
Janesville
+1 608-449-7019
R&B Pest Control LLC
Janesville
+1 608-289-9556
Mosquito Hero
Janesville
+1 608-621-5366
Naturescape Lawn and Landscape Care
Janesville
+1 608-373-5872

View all pest control pros in Wisconsin →

Nearby Cities

Beloit
56/100 🟡
Fort Atkinson
54/100 🟡
Stoughton
53/100 🟡
Cottage Grove
50/100 🟡
Oregon
57/100 🟡
Fitchburg
54/100 🟡
Sun Prairie
49/100 🟡
Madison
53/100 🟡

Pest FAQ for Janesville

What pests are active in Janesville right now?
Currently active pests in Janesville: Ticks (severe risk, score 85/100), Spiders (high risk, score 73/100), Mosquitoes (high risk, score 68/100), 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 Janesville. 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 Janesville 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.
Janesville 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.

Janesville Pest Forecast by Type

Ticks
85/100 · severe
Mosquitoes
68/100 · 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 Janesville

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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