Weather Outlook – May 21, 2020

Contributed by NOAA Northeast Regional Climate Center, Cornell University

Last week temperatures ranged from 6 degrees below normal to 2 degrees above normal. Precipitation has ranged from a quarter of an inch to two inches. Base 50 growing degree-days ranged from less than 20 to 70.

GDD Base 48 March 1 - May 20 GDD Base 48 May 1 - May 20 GDD Base 50 March 1 - May 20 GDD Base 50 May 1 - May 20

Today will be sunny with temperatures in the upper 60s to upper 70s. Overnight lows will be in the 40s and mid 50s.

Friday temperatures will be in the 70s with scattered afternoon showers. Overnight temperatures will be in the mid 40s to mid 50s with continued scattered showers and thunderstorms.

Saturday temperatures will be in the 70s with scattered showers and possible thunderstorms. It will be a humid day; northern areas will receive little rain and all areas will clear later in the day. Overnight temperatures will be in the mid 40s to mid 50s.

Sunday highs will be in the 70s with mostly sunny conditions but an afternoon shower or thunderstorm is possible. Overnight temperatures will be in the mid 40s to mid 50s.

Monday temperatures will be in the 70s to near 80 with a slight chance for afternoon showers and isolated thunderstorms. Overnight temperatures will be in the 50s.

Tuesday highs will be in the mid 70s to low 80s with a slight chance for afternoon showers. Overnight temperatures will be in 50s to low 60s.

Wednesday highs will be in the upper 70s to mid 80s with afternoon showers and thunderstorms possible. Overnight temperatures will be in the mid 50s to low 60s.

The seven-day precipitation amounts will range from a trace to a quarter of an inch.

The 8-14 day outlook (May 28-June 3) favors above-normal temperatures and favors near-normal to slightly above-normal precipitation.

Maps of 8-14 day outlooks:
http://www.cpc.ncep.noaa.gov/products/predictions/814day/index.php

National Weather Service watch/warnings map:
http://www.weather.gov/erh/

US Drought Monitor
http://droughtmonitor.unl.edu/Home.aspx

CLIMOD2 (NRCC data interface):
http://climodtest.nrcc.cornell.edu

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