Average change in
Temperature
Average change in high temperature day-to-day
Last Month:
4.0°
Last Year:
4.9°
Average change in low temperature day-to-day
Last Month:
6.1°
Last Year:
6.6°
Average change in
Precipitation
Chance of dry day after a precip day
Last Month:
83%
Last Year:
55%
Chance of precip day after a dry day
Last Month:
26%
Last Year:
32%
ForecastAdvisor Fact
On average, Persistence's low temperature forecasts for Williamsport were off by 7.69 degrees last year.