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Pittsburgh Summer? 2025


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Revisiting June, finished at 73.1F at PIT, which, as noted, was the warmest since observations have been taken at the airport, and tied for 11th warmest overall.

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Elsewhere across the region, it tied for 4th warmest in the Morgantown area threaded record. It should be noted there is no data for 1943, which appears to have been a very warm month. 1934, which holds the top spot in both the Pittsburgh and Wheeling station threads, is tied for 15th place with 1949 & 2014 (72.6F) in the Morgantown threaded record.

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Dubois, with a shorter POR, finished tied for 4th warmest with 1976. A little skeptical of the ranking for 1976, seeing as that is said to have been the coldest summer on record at PIT, but that's what the official data shows. The record of 69.2F was set just last year.

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Wheeling finished tied with last year for 7th warmest June. There's a pretty big gap in the records here between 1953 and 1998; however, there really only appear to be a few candidate Junes for inclusion on this list in that time frame (1967, 1994, perhaps 1991). Another 0.1F would have raised this year to 4th warmest, as there is currently a 3-way tie for 4th place (1952, 1949, 1921) at 72.9F.

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New Philadelphia, Ohio, another short POR site, finished as 2nd warmest behind 2016. Yes, those 2016 readings were coming in quite high there relative to most places.

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Overall, it was a wet June regionwide, most notably at Morgantown (see below). The 8.65" of rainfall there was good for 4th place overall, with records dating all the way back to 1872 [albeit with some gaps]! 1939 must have been insanely wet. Most other climate sites generally finished between about 12th and 25th place in the ranking of wettest Junes.

zSsoqj6.png

I suspect some areas outside of the official observations, especially in far southwest Pennsylvania and portions of West Virginia, saw 10" or more of rainfall this month.

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It's also the half-way point for 2025. Through the first 6 months, PIT is running 3.8F cooler than last year's record-breaking pace. Still well above the long-term mean, checking in at 33th place in the threaded record (9th at the airport, tied with 1953 - the first full year of records at PIT).

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Similar story at Morgantown. The mean temperature of 50.5F ties for 22nd warmest and is 3.4F cooler than last year's record-pace. This list includes only years with less than 30 missing days.

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Wheeling is currently tied for 11th warmest with 2016, despite a 3.3F dropoff from last year. This ranking is obviously aided by the lengthy gap in the records, as years like 1990, 1991 and 1998 would certainly be in the mix otherwise (perhaps some from the late 80s as well). Also, no temperature records prior to 1900.

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Additionally, the average hourly dewpoint was highest on record for the month of June (since 1945). While the heading indicates Pittsburgh International (PIT), the years prior to 1953 are from hourly observations taken at present-day Allegheny County Airport, as Pittsburgh International Airport did not exist until 1952 [when it was known as the Greater Pittsburgh Airport]. The average hourly dewpoint for the month of June is 57.7F, so last month was nearly 6F higher than the long-term mean.

network:PA_ASOS::station:PIT::season:jun

Top 3, per the .csv file:

2025, 63.548F

1949, 63.546F

2005, 63.166F

 

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21 minutes ago, TheClimateChanger said:

Additionally, the average hourly dewpoint was highest on record for the month of June (since 1945). While the heading indicates Pittsburgh International (PIT), the years prior to 1953 are from hourly observations taken at present-day Allegheny County Airport, as Pittsburgh International Airport did not exist until 1952 [when it was known as the Greater Pittsburgh Airport].

network:PA_ASOS::station:PIT::season:jun

Top 3, per the .csv file:

2025, 63.548F

1949, 63.546F

2005, 63.166F

 

This was also the case at MGW, based on data since 1949 [no data 1955-1972]. Obviously, some bad/missing data for 1979 as well.

network:WV_ASOS::station:MGW::season:jun

Top 3:

2025, 64.468F

1981: 64.238F

2018: 63.248F

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2 hours ago, TheClimateChanger said:

Additionally, the average hourly dewpoint was highest on record for the month of June (since 1945). While the heading indicates Pittsburgh International (PIT), the years prior to 1953 are from hourly observations taken at present-day Allegheny County Airport, as Pittsburgh International Airport did not exist until 1952 [when it was known as the Greater Pittsburgh Airport]. The average hourly dewpoint for the month of June is 57.7F, so last month was nearly 6F higher than the long-term mean.

network:PA_ASOS::station:PIT::season:jun

Top 3, per the .csv file:

2025, 63.548F

1949, 63.546F

2005, 63.166F

 

I believe this.  It has been terribly humid.

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Today will be the 18th consecutive day that the official low temperature at PIT has not dropped below 64, tied for 12th longest on record and tied for 2nd longest at the current airport site. Record is 32 days in 1916, record at the airport is 19 days in 1995. I think there’s a slight chance PIT can get to 63 tonight, but if not, this streak could continue for quite some time.

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14 hours ago, TimB said:

Today will be the 18th consecutive day that the official low temperature at PIT has not dropped below 64, tied for 12th longest on record and tied for 2nd longest at the current airport site. Record is 32 days in 1916, record at the airport is 19 days in 1995. I think there’s a slight chance PIT can get to 63 tonight, but if not, this streak could continue for quite some time.

Not even close. Low was 66F.

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Not liking all of this heavy rainfall language just about every day. They must be getting nervous from all the recent 1000-year floods.

Today
Considerable cloudiness. Areas of fog this morning. Isolated showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. West winds around 5 mph. Chance of rain 20 percent.
Tonight
Mostly cloudy. Isolated showers and thunderstorms in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming south after midnight. Chance of rain 20 percent.
Thursday
Partly sunny. Patchy fog in the morning. Isolated showers in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent.
Thursday Night
Mostly cloudy with scattered showers and thunderstorms in the evening, then partly cloudy after midnight. Areas of fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Friday
Partly sunny. Areas of fog in the morning. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the mid 80s. Light and variable winds, becoming west around 5 mph in the afternoon. Chance of rain 30 percent.
Friday Night
Mostly cloudy with scattered showers and thunderstorms in the evening, then mainly clear after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 60s. Chance of rain 30 percent.
Saturday
Mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.
Saturday Night
Mostly cloudy with scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows around 70. Chance of rain 40 percent.
Sunday
Partly sunny with scattered showers in the morning, then mostly cloudy with numerous showers and scattered thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
Sunday Night
Mostly cloudy in the evening, then becoming partly cloudy. Scattered thunderstorms. Numerous showers, mainly in the evening. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Chance of rain 70 percent.
Monday
Partly cloudy. Scattered showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
Monday Night
Scattered showers in the evening. Mainly clear. Lows in the upper 60s. Chance of rain 30 percent.
Tuesday
Partly cloudy. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
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On 7/6/2025 at 8:01 AM, TheClimateChanger said:

While there hasn’t been any temps of 95 or higher, every day since June 21 has been above normal, with only 2 days below normal since June 4. That trend looks to continue for at least the next couple of weeks.

We managed a Mickey Mouse below normal day today.

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