Residents in Thunder Bay can expect cold mornings and mild, pleasant afternoons for the next few days as an upper-level low pressure system moves across Ontario. While temperatures are starting well below freezing, no weather alerts are currently in effect for the region, according to Environment Canada.
Friday morning began with a temperature of -2.3°C at the Thunder Bay Airport, accompanied by a wind chill of -5. The forecast for the remainder of the day calls for sunny skies and a high of 8°C, though residents should prepare for increasing cloudiness as the day progresses.
Saturday is expected to be the warmest day of the period, with a high of 12°C and mainly sunny conditions. Following this brief stretch of fair weather, the region will face more unsettled conditions. Sunday night and Tuesday night both carry a 60% chance of flurries or rain showers, with overnight lows expected to drop to 1°C and -2°C, respectively.
With overnight temperatures remaining near or below the freezing mark, local gardeners are being advised to exercise patience. The average last spring frost date for Thunder Bay is June 6, and local guidelines suggest waiting until between June 13 and June 20 to plant tender annuals such as tomatoes, peppers, and basil. These chilly overnight conditions are considered seasonally normal for early May, falling below the average high of 14°C and low of 1°C for the month.
Information on extended outlooks and weather updates is also available through The Weather Network.
