Byron Weather Forecast
- 42
- 60
Increasing Clouds
- 44
- 62
Mostly Cloudy
- 46
- 61
Rain Showers Likely
- 49
- 66
Slight Chance Thunderstorms
- 52
- 76
Mostly Sunny
- 57
- 81
Partly Sunny
Today 20 May Olmsted
Mostly sunny. Highs around 60. North Winds around 5 Mph.
Tonight 20 May Olmsted
Mostly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph.
Byron Temperature Statistics
May Temperature
Rochester - St. Mary's Hospital Heliport (8.1 miles)
Lowest 6 May, 2026
33.1 °FAverage May
55.9 °FHighest 15 May, 2026
86.7 °F
Climate (2021–Present)
Rochester - St. Mary's Hospital Heliport (8.1 miles)
Average Low 2021–2026
40.2 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
56.4 °F