Bug Activity ForecastGrenville, QCUpdated on Friday, May 15th
Today
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Sunday, May 17, 2026
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Monday, May 18, 2026
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Tuesday, May 19, 2026
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Wednesday, May 20, 2026
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Thursday, May 21, 2026
Black FliesLow
MosquitoesLow
Deer FliesNot in Season
Raw data provided by:
Legend
Low Activity
Moderate Activity
High Activity
Not in season, Not native, Not Likely, NA
