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Boston Marathon History: Weather Conditions

Weather Conditions in Recent Years

YEARHOPKINTON TEMP*BOSTON TEMP**WINDSKY
2000 50 47 N/NE 7–12 mph Cloudy
2001 53 54 N/NE 1–5 mph Partly Cloudy
2002 53 56 N/NE 1–5 mph Mostly Cloudy
2003 70 59 Variable 3–8 mph Clear
2004 83 86 WSW/SW/W 8–11 mph Clear
2005 70 66 E/NE 5–8 mph Clear
2006 55 53 Calm Clear
2007 47 50 E/ESE 20–30 mph Overcast and Rain
2008 53 53 W 2 mph Clear
2009 51 47 E/SE 9–16 mph Partly Cloudy
2010 49 55 E/NE 2–5 mph Partly Cloudy
2011 46 55 W/SW 16–20 mph Clear
2012 65 87 W/SW 10–20 mph Clear
2013 56 54 E 3mph Clear
2014 61 62 WSW 2–3 mph Clear
2015 46 46 Calm Overcast and Rain
2016 71 61 WSW 2-3 mph Clear
2017 70 73 WSW1-3 mph Clear


* Based on start of Wave One
** Based on winner of men's race

 

UNUSUAL WEATHER CONDITIONS OVER THE YEARS

Snow
1907: Traces of sleet
1908: Snowflakes and drizzle
1925: Cold wind and occasional snowflakes
1961: Snow squalls driven by winds of 10–12 mph; recorded temperature was 39 degrees
1967: Snow squalls accompanied the runners through the first five miles

Driving Rain
1970: Mix of rain and sleet; temperatures in the high 30s
2007: Rain; winds gusting 25–30 mph; temperatures in the mid 40s
2015: Rain; winds gusting up to 15 mph; temperatures in the mid 40s

Extreme Heat or Unseasonable Warmth
1905: The temperature was reported to have reached the 100-degrees mark.
1909: The temperature soared to 97 degrees.
1915: Reports of “intense heat.”
1927: With the temperature reaching 84 degrees, a newly surfaced but uncured road melted under the runners’ shoes.
1931: Reports of “terrific heat” that “spelled ruin to the hopes of countless ambitious runners.”
1952: The temperature rose to the upper 80s, with a high of 88 degrees.
1958: The temperature climbed to 84 degrees.
1976: For much of the first half of the race, the temperature along the course was reported to be 96 degrees.
1987: The temperature was in the mid/upper 80s and the humidity was more than 95 percent.
2004: The hottest marathon since 1976 (86 degrees at the finish) caused a record number of heat-related illnesses.
2012: The temperature reached 75 degrees by the start of the Women’s Elite field (9:30 a.m.), with a high of 89 degrees reported in Framingham (10K mark) by mid-day.

Other Unusual Weather Conditions
1939: Runners at the start of the race in Hopkinton experienced dark skies caused by a northeast storm and a partial eclipse of the sun.
2002: A heavy mist severely reduced visibility, grounding helicopters, which resulted in limited televised coverage of the race.
2010: Eyjafjallajokull, a volcano in Southern Iceland, erupted in late March, and again on April 14, interrupting European air travel for weeks. Hundreds of Boston Marathon entrants were unable to make the trip and were granted the option of deferred entry into the 2011 Boston Marathon.

B.A.A. Moment

Weather Conditions

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