After a cool and comfortable start to June, residents across the Finger Lakes and Central New York can expect a gradual warming trend this week, with temperatures climbing from the 60s and 70s into the 80s before the next chance of widespread rain arrives this weekend.
National Weather Service forecasters in Buffalo and Binghamton say a large-scale atmospheric blocking pattern will dominate much of the eastern United States through midweek, helping keep conditions mostly dry and stable. Aside from a few isolated showers Monday afternoon and evening, most communities should experience several consecutive days of pleasant weather with little interruption. Nights will remain cool, with lows dipping into the 40s and 50s through midweek.
Cool start gives way to warming trend
Monday and Tuesday will feature seasonable temperatures with highs generally in the upper 60s to mid-70s across the region. Northerly winds and relatively dry air will keep humidity levels low, making for comfortable outdoor conditions.
By Wednesday, the weather pattern will begin to shift. As a ridge of high pressure expands eastward and the current trough weakens, winds will gradually turn more westerly and eventually southwesterly. That change will usher warmer air into New York and set the stage for a noticeable increase in temperatures.
Summerlike warmth arrives Thursday and Friday
The warmest weather of the week is expected during the second half of the workweek. Most locations across the Finger Lakes and Central New York are forecast to reach the upper 70s to lower 80s by Thursday, with some areas potentially climbing deeper into the 80s by Friday.
Despite the warmer temperatures, conditions are expected to remain largely dry through Friday as surface high pressure continues to exert influence over the Northeast. Sunshine should be abundant, although a few isolated afternoon showers cannot be ruled out.
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Forecasters are increasingly confident that the dry pattern will break down heading into the weekend as a frontal system approaches from the west.
While there remains some uncertainty regarding the exact timing, both National Weather Service offices indicate the best chance for widespread rain and thunderstorms will arrive sometime between Friday night and Sunday. Current guidance suggests scattered showers could begin developing late Friday, but Saturday and Sunday carry the highest probability for thunderstorms.
Storm chances increase, but not a washout
The emerging weekend pattern appears more typical of summer, with scattered thunderstorms developing during the warmest parts of the day rather than steady all-day rainfall.
Forecasters say there should still be substantial dry periods between rounds of showers and storms. However, increasing humidity and atmospheric moisture could support heavier downpours in stronger thunderstorms. Current projections indicate moisture levels high enough to produce localized heavy rain where storms develop.
For now, the workweek forecast remains favorable for outdoor activities, construction projects and agricultural work, with the next meaningful weather disruption likely holding off until the weekend.
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