Rochester Half Marathon

Rochester, NY, USA · September 20, 2026

52°·70° high·Light·Dry

Weather

Race Day Weather

52°at start

71° high

Light

Dry

Cool start, warming trend ahead

Runners will face a temperature rise from 52°F at the start to a warm 71°F by the finish. With a light wind from the SSW at 6 mph, humidity will be moderate at 67%. Runners should consider adjusting their pace as they warm up and ensure hydration is frequent as the temperature rises.

Race day forecast available in 65 days

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 13.1mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

—

Weather Adj.

—

Common Goals:

Get forecast alerts for Rochester Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Feel the energy around every corner. Celebrate the goodness Rochester has to offer. The breathtaking views along the historic Genesee River. The overwhelming crowd support from neighbors and volunteers. The perfect mix of elevation changes to keep you challenged. #runtheROC #ROCyourstory Source

Website

Course Map

FAQ

When is the 2026 Rochester Half Marathon?

The 2026 Rochester Half Marathon will be held on Sunday September 20, 2026.

What will the weather be like for the 2026 Rochester Half Marathon?

The forecast calls for a high of 72°F and a low of 53°F with a 8% chance of rain.

Historical Weather

Based on 20 years of data

Avg Temp

70°F

L:56° H:70°

RunScore

Conditions

Rain Freq

25%

5 of 20 yrs

Wind9mph

Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Rochester Half Marathon Partly cloudy throughout the day. 2025	48°/80°	-	54°
2024 Rochester Half Marathon Partly cloudy throughout the day. 2024	62°/83°	-	62°
2023 Rochester Half Marathon Cloudy skies throughout the day with rain. 2023	59°/61°	Light	51°
2022 Rochester Half Marathon Cloudy skies throughout the day with rain. 2022	56°/59°	Light	54°
2021 Rochester Half Marathon Becoming cloudy in the afternoon. 2021	51°/69°	-	47°
2019 Rochester Half Marathon Partly cloudy throughout the day. 2019	59°/79°	-	57°
2018 Rochester Half Marathon Clearing in the afternoon. 2018	45°/65°	-	49°
2017 Rochester Half Marathon Partly cloudy throughout the day. 2017	61°/78°	-	62°
2016 Rochester Half Marathon Cloudy skies throughout the day with rain. 2016	68°/80°	-	67°
2015 Rochester Half Marathon Partly cloudy throughout the day with morning rain. 2015	56°/63°	Light	47°
2014 Rochester Half Marathon Partly cloudy throughout the day with rain in the morning and afternoon. 2014	68°/77°	Light	63°
2013 Rochester Half Marathon Cloudy skies throughout the day. 2013	52°/56°	-	44°
2012 Rochester Half Marathon Partly cloudy throughout the day. 2012	46°/60°	-	40°
2011 Rochester Half Marathon Partly cloudy throughout the day. 2011	47°/65°	-	43°
2010 Rochester Half Marathon Partly cloudy throughout the day with early morning rain. 2010	59°/65°	-	57°
2009 Rochester Half Marathon Partly cloudy throughout the day. 2009	56°/69°	-	58°
2008 Rochester Half Marathon Cloudy skies throughout the day with rain clearing later. 2008	75°/85°	Light	70°
2007 Rochester Half Marathon Partly cloudy throughout the day. 2007	42°/60°	-	38°
2006 Rochester Half Marathon Partly cloudy throughout the day. 2006	60°/77°	-	63°
2005 Rochester Half Marathon Partly cloudy throughout the day. 2005	57°/76°	-	60°