Pest Forecast for Janesville, Wisconsin

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

54
/100
MODERATE OVERALL RISK

Janesville is currently experiencing moderate overall pest risk. Most active: Ticks (75), Mosquitoes (68), Spiders (63). Warm temperatures are supporting pest activity.

Last updated: July 21, 2026 · Source: Open-Meteo Professional Weather Data

Current Weather Conditions

71.1°F
Temperature
Feels like 75.6°F
89%
Humidity
Dewpoint 67.7°F
0"
Rain (24h)
7-day: 0.87"
5.6 mph
Wind
Gusts 15.2 mph
76.4°F
Soil Temperature
Active pest zone
15%
Soil Moisture
Dry
0.02"
Rain (3-day)
0.87"
Rain (7-day)

Source: Open-Meteo weather models for Janesville area · Updated Jul 21, 3:03 AM

30-Day Weather Summary

82°F
Avg High
↓ vs avg
4.08"
Total Rainfall
16 rainy days

7-Day Weather Forecast

Today
Jul 21
81°
67°
16%
17
Wed
Jul 22
70°
55°
Thu
Jul 23
74°
52°
Fri
Jul 24
74°
58°
2%
0.004" rain
Sat
Jul 25
78°
57°
2%
Sun
Jul 26
84°
65°
9%

All Pest Risk Scores for Janesville

Ticks
Steady
75
/100
HIGH

Temps of 71.1°F are in the tick questing range.

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Mosquitoes
Steady
68
/100
HIGH

Warm temps (71.1°F) support mosquito activity.

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Spiders
Steady
63
/100
HIGH

Humidity at 89% attracts insects, drawing spiders.

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Wasps
Steady
60
/100
HIGH

Warm temps (71.1°F) fuel peak wasp foraging.

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Termites
Steady
55
/100
MODERATE

Warm (71.1°F) and humid (89%) soil supports termite activity.

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Ants
Steady
50
/100
MODERATE

Warm conditions (71.1°F) keep ant foraging active.

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Mice & Rats
Steady
5
/100
LOW

Mild temps (71.1°F) reduce indoor rodent pressure.

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3-Day Pest Outlook for Janesville

Pest TodayWedThu
75 🟠80 🔴 +580 🔴 +5
68 🟠68 🟠68 🟠
63 🟠66 🟠 +366 🟠 +3
60 🟠60 🟠60 🟠
55 🟡55 🟡55 🟡
50 🟡50 🟡50 🟡
5 🟢10 🟢 +510 🟢 +5

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

Need Pest Control in Janesville?

Ticks risk is HIGH (75/100)

Professional treatment is recommended when scores are this high.

11 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 ← Now Mosquitoes (peak), Ticks, Wasps
Aug Mosquitoes (peak), Wasps (peak), Spiders (increase)
Sep Wasps (aggressive), Spiders, Mice (seeking warmth)
Oct 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

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Nearby Cities

Pest FAQ for Janesville

What pests are active in Janesville right now?
Currently active pests in Janesville: Ticks (high risk, score 75/100), Mosquitoes (high risk, score 68/100), Spiders (high risk, score 63/100), Wasps (high risk, score 60/100), Termites (moderate risk, score 55/100), Ants (moderate risk, score 50/100). 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

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