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BP400 (Boston to Philly, 400 miles) 2026

eventSeptember 5-9, 2026
location_onCroton-on-Hudson, NY

Weather at a Glance

thermostat
Temperature
53°F - 80°F
Feels like 55°F - 83°F
water_drop
Precipitation
44% chance
0.01 in
air
Wind
3 mph S
Gusts to 15 mph
wb_sunny
UV Index
7
open_in_newOfficial Siteopen_in_newRegister
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Minute-by-minute wind, rain, and temperature along your route.

Routes

Saturday, September 5

BP400 Day 1 Route Forecast

straighten74 mi
trending_up4111 ft
View on Ride With GPS
schedule

Temperature

11:00 AM2:00 PM68707274767880826870727476788082
Temperature (°F)
Feels Like (°F)

Precipitation

11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

11:00 AM2:00 PM024681012024681012
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
3 mph S Gusts to 12 mph
Interactive map loading

Sunday, September 6

BP400 Day 2 Route Forecast

straighten88 mi
trending_up4813 ft
View on Ride With GPS
schedule

Temperature

8:00 AM11:00 AM2:00 PM5:00 PM6570758065707580
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM12:00 PM4:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM5:00 PM024681012024681012
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
3 mph SE Gusts to 12 mph
Interactive map loading

Monday, September 7

BP400 Day 3 Route Forecast

straighten78 mi
trending_up4662 ft
View on Ride With GPS
schedule

Temperature

8:00 AM11:00 AM2:00 PM606264666870606264666870
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM0246810121402468101214
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
3 mph S Gusts to 14 mph
Interactive map loading

Tuesday, September 8

BP400 Day 4 Route Forecast

straighten97 mi
trending_up5820 ft
View on Ride With GPS
schedule

Temperature

8:00 AM11:00 AM2:00 PM5:00 PM5560657055606570
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM12:00 PM4:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM5:00 PM02468101214160246810121416
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
4 mph SW Gusts to 15 mph
Interactive map loading

Wednesday, September 9

BP400 Day 5 Route Forecast

straighten70 mi
trending_up3366 ft
View on Ride With GPS
schedule

Temperature

8:00 AM11:00 AM2:00 PM55606570755560657075
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM024681012024681012
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
4 mph S Gusts to 12 mph
Interactive map loading

From the Epic Ride Weather app powered by  Weather and other data sources

Details

BP400 (Boston to Philly, 400 miles) 2026 is a road, gravel cycling event in Croton-on-Hudson, NY on September 5-9, 2026. Visit the official website for event details, or register on the registration page.

On Saturday, September 5: the BP400 Day 1 (74 mi, 4111 ft elevation gain). On Sunday, September 6: the BP400 Day 2 (88 mi, 4813 ft elevation gain). On Monday, September 7: the BP400 Day 3 (78 mi, 4662 ft elevation gain). On Tuesday, September 8: the BP400 Day 4 (97 mi, 5820 ft elevation gain). On Wednesday, September 9: the BP400 Day 5 (70 mi, 3366 ft elevation gain). Check the route-specific weather forecasts above to plan your ride.

BP400 is a new fundraising ride for the Boston Cyclists Union.

Start times and routes can change. Be sure to verify the date, start time, route, and other details with the event organizers.

Get the Full Weather Experience

  • Pick the best time to ride

    Forecasts show wind, rain, and temperature minute-by-minute along your route.

  • Choose the best direction

    Plan to maximize the tailwind, and avoid a headwind on the way home.

  • Dress perfectly

    Know what to wear with temperature, wind, and real-feel data.

  • Plan nutrition & hydration

    Stay fueled and hydrated with weather-based insights across your route.

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