Boston 5K

Boston, MA, USA • April 18, 2026

Race Day Weather

partly-cloudy-day
46°
54° high
Breezy
Dry

Cool start, steady conditions

Runners will face a temperature range from 48°F to 53°F, with a gentle breeze from the SSW at 13 mph. Humidity will be moderate at 59%, allowing for comfortable running conditions. With no rain expected, hydration is recommended, but runners should maintain their pace given the cool temperatures.

Race day forecast available in 22 days
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Pace Calculator

Distance: 3.1mi
0:00:00
HH:MM:SS
Pace
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Weather Adj.
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Common Goals:
Area Map

Course Map

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When is the 2026 Boston 5K?

The 2026 Boston 5K will be held on Saturday April 18, 2026.

What is the time limit for the Boston 5K?

The time limit for the Boston 5K is 1 hours.

Historical Weather

Based on 2 years of data
Avg Temp
52°F
L:51° H:52°
RunScore
8
Conditions
Rain Freq
0%
0 of 2 yrs
Wind11mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2024 Boston 5K

Partly cloudy throughout the day with afternoon rain.

2024
partly-cloudy-day
52°/53°-
8

2023 Boston 5K

Cloudy skies throughout the day.

2023
cloudy
50°/51°-
8
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