Late Season Weather Concerns
Migrating birds are already flocking together and some bird migration from the North has already started. The cicadas have been singing for several weeks. Are we due for an early frost? The first week of September has cold front from the north moving in and it is possible a few low-lying areas may see some light frost. Here is some data for first frosts in Ohio. Frost dates are based on 1991–2020 climate data from the National Oceanic and Atmospheric Administration (NOAA). This site uses a 30% probability threshold, meaning there is a 3 in 10 chance frost will occur before or after the given date. Microclimates vary, so this is a flexible guide, not a guarantee. For example, towns and cities tend to be 5-10°F warmer than farm land and surrounding areas. Lake Erie and large bodies of water tend to moderate temperatures. That means they are slower to warm up in the spring and slower to cool down in the fall. Here are some frost dates for various locations in Ohio. At th...