Mosquito Risk in Grafton, Wisconsin

Grafton, Wisconsin · Ozaukee County

33
/100
MODERATE RISK Steady

Mosquito risk in Grafton, Wisconsin is currently rated moderate with a score of 33 out of 100. This is because humidity is elevated and recent rainfall has increased moisture levels. Conditions may change as weather patterns shift.

· Source: Open-Meteo professional weather data

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Mosquito Risk Summary for Grafton

Mosquito risk in Grafton, Wisconsin is currently rated moderate with a score of 33 out of 100. This is because humidity is elevated and recent rainfall has increased moisture levels. Conditions may change as weather patterns shift.

Score: 33/100 Level: MODERATE Trend: steady Data: 2026-06-05 18:48:52

Why Mosquito Risk Is Moderate in Grafton

moderate_temps
Calm wind allows easier flight and movement
Elevated humidity supports pest survival

Current Weather Conditions

Temp
56°F
H:73° L:46°
Humidity
78%
Rain 24h
0"
Wind
9 mph

Source: Open-Meteo professional weather data for Grafton area

3-Day Forecast

3-Day Mosquito Outlook

Today
70°/43°F
None
MODERATE 36
Tomorrow
73°/46°F
20% chance
LOW 23
Day 3
76°/49°F
10% chance
LOW 18

How to Reduce Mosquito Risk Around Your Grafton Home

  • Eliminate standing water in gutters, planters, bird baths, and low areas
  • Treat standing water that cannot be drained with mosquito larvicide
  • Use fans on patios and outdoor seating areas to disrupt flight
  • Install or repair window and door screens
  • Keep vegetation trimmed to reduce daytime resting sites
  • Consider professional mosquito barrier treatment during peak season
  • Use EPA-registered repellents when spending time outdoors

Don't Wait Until It Gets Worse

Current conditions in Grafton favor mosquitoes activity. Professional treatment is most effective when applied early.

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How We Calculate Risk Scores

Our scoring engine analyzes real-time weather data including temperature, humidity, rainfall, soil conditions, and wind. Each pest has a unique model calibrated to its behavioral patterns. Scores update every 3 hours. Learn more about our methodology

Mosquito FAQ for Grafton

What is the current mosquito risk in Grafton?
Mosquito risk in Grafton is currently moderate with a score of 33/100. This forecast is based on temperature, recent rain, and wind conditions.
Rain creates standing water where mosquitoes breed. In Grafton, even small amounts of collected water in gutters, planters, and low spots can produce thousands of mosquitoes within days.
Mosquitoes become inactive below about 50°F and die when temperatures drop below freezing. In Grafton, mosquito season typically ends with the first hard frost.
Eliminate standing water, maintain gutters, treat standing water with larvicide, use fans on patios, and consider professional treatment during peak season.

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Mosquito risk is LOW in Grafton — great time for preventive treatment

Score: 33/100 · Based on live weather data

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