West Rockville MD Weather

AUGUST 2017  BRIEF SUMMARY CLIMATE STATISTICS ROCKVILLE 2.8 WNW MARYLAND                       by Kevin Shaw, observer in charge Average high temperature 81.8° Average low temperature 66.0° Mean temperature 73.9° Precipitation 4.09″ Greatest daily amount(date) 0.96″ (11) Snow 0.0″ Year to date precipitation 30.29″ High temperature for the month (date) 92° (18) Low temperature for the month (date) 59° (30) Highest barometric pressure (date) 30.26” (26) Lowest barometric pressure (date) 29.73” (18) Peak…

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Tuesday was partly to mostly sunny and a bit warmer than Monday. Temperatures rose to the upper 70s with lows in the mid 60s. Dew points didn’t change much all day, very similar to yesterday, staying in the mid-upper 60s all day. Now at 0715 we have mostly cloudy skies with temperatures in the upper 60s with dew points in the lower 60s. The Tuesday minimum temperature from the VP2 in the shelter on the ground below my balcony (65.4°)…

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Monday was mostly cloudy and a bit cooler than Sunday. Temperatures rose to the mid 70s with lows in the mid 60s. Dew points didn’t change much all day, staying in the mid-upper 60s all day. Now at 0710 we have cloudy skies with temperatures in the mid 60s with dew points also in the mid 60s. A bit of NE winds early this morning inhibiting the formation of fog early today. The Monday minimum temperature from the VP2 in…

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Sunday continued the pattern of warm, partly cloudy skies. Temperatures rose to the upper 70s with lows in the mid 60s. Dew points reached 70° but were in the 60s most of the day. Now at 0504 we have cloudy skies with temperatures in the mid 60s with dew points also in the mid 60s. No fog being observed yet but it might yet develop as it did this morning rather quickly around 0700, especially with the air and dew…

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Saturday warmed under partly cloudy skies. Temperatures rose to the 80° mark with lows in the mid 60s. Dew points reached 70° but were in the 60s most of the day. Now at 0743 we have clear skies but with light fog and temperatures in the mid 60s with dew points also in the mid 60s. No fog being observed despite the air temperature/dew point temperature combination. The Saturday minimum temperature from the VP2 in the shelter on the ground…

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Friday warmed under partly cloudy skies with no rain (see featured image for a nice sun setting illuminating image just about 10 mins prior to actual sunset about 1905 EDT). Temperatures rose into the lower 80s with lows in the lower-middle 60s. Today was the first time since September 5th that we rose above the 80° mark, and only the second time all month (so far). Dew points were in the 60s all day. Now at 0556 we have clear…

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Thursday started out cloudy and damp with a brief period of occasional light rain and fog in the early morning around 0500-0600 (0.02″) then variably cloudy and milder as the day wore on into the afternoon and evening, with no more rain the rest of the day. Temperatures warmed into the upper 70s with lows in the middle 60s. Dew points were in the 60s all day. Now at 0717 we have clear skies with temperatures in the low to…

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Wednesday started out cloudy with occasional light rain and fog between approximately 0615 and 0830 (0.12″) then partly cloudy and mild as the day wore on into the afternoon and evening, with no more rain the rest of the day. Temperatures warmed into the mid 70s with lows in the low-middle 60s. Dew points were in the upper 50s rising into the low 70s by later in the day. Now at 0624 we have cloudy skies with light rain and…

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Tuesday started out a bit cloudy with a few sprinkles at my location (Trace) then became partly cloudy and warmer as the day wore on, with no sign of any precipitation from dying storm Irma. Temperatures warmed a bit on Tuesday, reaching the mid 70s with lows in the upper 50s. Dew points were in the 50s rising into the low 60s later in the day. Now at 0630 we have cloudy skies with temperatures in the mid 60s with…

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Monday started out clear/sunny, but gradually turned cloudy (high type like cirrostratus or altostratus) by the afternoon. No rain yet though later this evening radar was showing rain moving north up to central Virginia which should make it into my locale sometime Tuesday. Temperatures moderated a bit on Tuesday, reaching the lower 60s with lows in the mid 50s. Dew points were in the 50s and 40s all day. Now at 0540 we have mostly cloudy skies with temperatures in…

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