WEST ROCKVILLE MARYLAND WEATHER UPDATE – TUESDAY JULY 27, 2021
Tuesday was a bit hotter than Monday with dew points high early but dropping off in the early evening down into the upper 50s. We warmed up to the low 90s by later mid-afternoon. The day featured partly to mostly sunny skies and increasingly more comfortable conditions by late afternoon with no threatening skies. The daily minimum temperature around 70 was reached in the early morning just after sunrise.
The peak winds were the same as yesterday, veering around to a northwesterly direction by early afternoon, peaking at that time. Barometric pressures were highest in the late morning hours while the lowest was in the early evening.
Wednesday through Sunday should be partly sunny, hot and humid with highs in the low 90s on Wednesday then cooling into the mid 80s thereafter with lows in the upper 60s to around 70 through Thursday but then cooling down to the low 60s Friday through Sunday. There looks to be a chance of showers and storms on Thursday associated with an advancing cold front passing through the region.
Statistics for Tuesday:
High temp 91.2 at 1630
Low temp 70.2 at 0634
Max humidity 94% at 0714
Min humidity 35% at 1759
Max dew point 72 at 0835
Min dew point 58 at 1800
Max barometric pressure 30.01″ at 1122
Low barometric pressure 29.93″ at 1929
Peak Wind Gust (PWG) 22 MPH from the NW at 1321
Tuesday’s average daily wind speed 4.1 (BWI) 3.1 (IAD)
Tuesday’s average sky cover 0.2 (BWI) 0.2 (IAD)
Daily total precipitation 0 (BWI 0 IAD 0)
July total precipitation 3.17″
Year-to-date total precipitation 17.46″
Sunrise 0606 (EDT)
Sunset 2025 (EDT)
Moon Waning Gibbous
Currently at 0219 AM EDT Wednesday we have clear skies with a temperature of 72.2, barometer 29.97″ and steady, relative humidity 80%, dew point 66, winds SW at 0-5 MPH. No rain has fallen since midnight into the tipping bucket VP2 gauge at the USG site across the street from me.
The attached image for today shows last Saturday (7/17) afternoon’s thunderstorm clouds building out my bedroom window.