Historical weather data, all-time temperature records, and monthly climate averages for Harrison, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Harrison lands right in the heart of the year's wettest week, with a 36% chance of rain today. Expect a high near 54° and a low around 36°—though this date has swung wildly, from a brutal 21° in 1982 to a shirt-sleeve 74° back in 1985. Snow is essentially off the table.
Harrison's weather has real range: 80 years of data capture everything from a scorching 102° on July 4, 1966 to a bone-cracking -10° in January 1961. The wettest single day on record dumped 6.82 inches on April 15, 2007, and a 1969 February storm buried the area under 20 inches of snow.
Summer peaks mid-July with average highs around 84°, while January is the dead of winter at just 34°. April through early May is the transition sweet spot—temps climbing fast but precipitation at its annual high, so pack accordingly. For dry warmth, aim for late July into August, when highs hover in the low 80s.