Bug Activity ForecastSarnia, ONUpdated on Wednesday, June 17th
Today
Black FliesLow
MosquitoesLow
Deer FliesLow
Friday, June 19, 2026
Black FliesLow
MosquitoesLow
Deer FliesLow
Saturday, June 20, 2026
Black FliesLow
MosquitoesLow
Deer FliesLow
Sunday, June 21, 2026
Black FliesLow
MosquitoesLow
Deer FliesLow
Monday, June 22, 2026
Black FliesLow
MosquitoesLow
Deer FliesLow
Tuesday, June 23, 2026
Black FliesLow
MosquitoesLow
Deer FliesLow
Raw data provided by:
Legend
Low Activity
Moderate Activity
High Activity
Not in season, Not native, Not Likely, NA
