Nepean, ON → Buffalo, NY
226 mi · 4h 31m (driving)
Current Risk
Medium Risk
Rain expected
Get an email if snow, ice or storms hit this route before you leave.
Free. One email to confirm, then only when conditions change. Unsubscribe in one click.
Nepean
39°
South Frontenac
39°
Ontario
42°
Buffalo
39°
Wind gusts up to 19 mph — allow extra time
Trip Briefing
3 segments · 226 mi · 4h 32m
Weather
☁️ Overcast
39°F, wind 10 mph
Rest Stops
15
Restrooms, Truck svc, WiFi
Cameras
1 live
Clear driving conditions expected
Rest stops in this segment:
- ● Rest Area 🚻
- ● Rest Area
- ● Mallorytown South Onroute 🚻
Delays Expected
4 major incidents reported · 12 construction zones on route
12 Construction Zones on Route
US 11 in both directions: Bridge maintenance operations.
Oswego, NY
I-481 (Veterans Memorial Highway) southbound: Long term road construction.
Onondaga, NY
I-481 (Veterans Memorial Highway) southbound: Roadwork.
Onondaga, NY
I-690 westbound: Long term road construction.
Onondaga, NY
I-690 westbound: Road maintenance operations.
Onondaga, NY
LODI ST in both directions: Long term road construction.
Onondaga, NY
+ 6 more zones along the route — see map for full list
Road Conditions: Wet
Traffic Cameras
See recent road conditions along your route
Images are snapshots updated periodically by state DOTs. Timestamps shown in images indicate when each photo was captured.
Choose your route:
Selected Route
Via I-81 South → I-90 West (New York State Thruway; Governor Thomas E. Dewey Thruway) → NY 33 (Kensington Expressway)
Cameras shown are along this computed route
Need a custom route?
I-81 at Exit 50
NY ·
I-81 at NY 178 (Exit 41)
NY ·
I-81 south of Exit 37 (Sandy Creek)
NY ·
I-81 north of Exit 34 (Richland)
NY ·
I-81 south of Exit 33 (Parish)
NY ·
I-81 south of Exit 32 (Hastings)
NY ·
I-81 south of Exit 31 (Brewerton)
NY ·
I-81 south of Exit 30 (Cicero)
NY ·
I-81 north of Exit 29 (I-481-2)
NY ·
I-81 north of Exit 6 (7th North)
NY ·
I-90 MP 362.41 WB at Interchange 46 (Henrietta)
NY · WB
I-90 MP 409.50 East Bound at N. Millgrove Rd. Overapass
NY ·
Rest Stops Along Your Route
39 stops available
Swipe to see moreShowing 1-2 of 39
Sponsor
Get Weather Alerts for This Route
We'll notify you when conditions change before your trip. Never drive into a surprise storm again.
⚡ Recent Weather Events on This Route
Premium users received alerts for these conditions:
- 🌧️Nov 12: Heavy rain expected near Ontario - consider afternoon departure
Don't miss the next alert →
Driving from Nepean, ON to Buffalo, NY covers 226 miles in roughly 4h 31m of drive time, crossing state lines. We track 12 live traffic cameras, 39 rest areas and 4 reported incidents along this corridor so you can plan around them. Most drivers do this trip in one day; weather along the route matters more than the forecast at either endpoint, since you'll cross several climate zones.
7-Day Driving Outlook
Today
Nov 14
43° / 39°
No precip
Tomorrow
Nov 15
43° / 35°
No precip
Mon
Nov 16
45° / 35°
No precip
Tue
Nov 17
49° / 35°
No precip
Wed
Nov 18
55° / 39°
No precip
Thu
Nov 19
52° / 36°
No precip
Fri
Nov 20
55° / 45°
No precip
🗓️ Weekend Outlook
Saturday
Good to Go🌦️ Slight rain showers at origin, 🌧️ Slight rain at destination
Sunday
Good to Go☁️ Overcast at origin, 🌦️ Slight rain showers at destination
Plan This Route
Get hour-by-hour weather forecasts, real-time traffic, and find the optimal departure time.
🚗 Live traffic included
See if current slowdowns affect your drive time
Free • No sign-up required
Current Conditions
Nepean, ON
39°F
Wind: 11 mph
Buffalo, NY
39°F
Wind: 16 mph
Weather data updated in real-time
Driving from Nepean, ON to Buffalo, NY
The 226-mile drive from Nepean, Ontario to Buffalo, New York takes approximately 4h 31m under normal conditions. Weather along this route can vary significantly, especially across varying terrain where weather conditions can change rapidly. Route Outlook helps you find the safest time to travel by showing you weather conditions at every point along your route, timed to when you'll actually be there.
This moderate route crosses state lines from Ontario into New York, connecting Nepean and Buffalo. A drive of 226 miles means you'll pass through multiple weather zones. Conditions at your starting point may bear little resemblance to what you'll encounter halfway through the trip.
Common Weather Hazards on This Route
- Winter storms and heavy snowfall (November through April)
- Black ice on mountain passes and bridges
Seasonal Driving Considerations
The Northeast corridor sees the full range of seasonal weather. Nor'easters from November through March can dump heavy snow and create whiteout conditions, while ice storms make roads treacherous. Summer and fall offer excellent driving conditions, though fall foliage season brings heavier traffic on scenic routes. Spring can bring unpredictable rain and residual freeze-thaw damage to road surfaces.
Best Time to Drive Nepean to Buffalo
For medium-distance drives like this 226-mile route, consider starting in the early morning to arrive before afternoon storms develop. Check the 7-day forecast above to find a day with favorable conditions along the entire route.
Driving Strategy
A 226-mile drive from Nepean to Buffalo takes a significant part of the day. Plan at least one fuel and rest stop along the way. If your route crosses elevation changes or state lines, expect weather conditions to shift mid-trip. Monitor the segment-by-segment forecast rather than just checking destination weather. Starting early in the morning typically avoids afternoon storm development and rush-hour congestion near urban areas.
Pro Tip
Use Route Outlook's departure optimizer to find the best time to leave. Our 4D trajectory engine considers weather at each point along your route at the exact time you'll be there — not just at your destination. It also integrates live data from traffic cameras, DOT 511 feeds, and road weather sensors.
Frequently Asked Questions
How long is the drive from Nepean to Buffalo?
The drive is approximately 226 miles and takes about 4h 31m under normal traffic and weather conditions. Severe weather can add significant time to your trip.
What's the best day to drive this route?
Based on current forecasts, Tuesday, Nov 17 looks ideal. Clear conditions expected along the entire route
Is it safe to drive from Nepean to Buffalo today?
Current conditions show medium risk along this route. Use caution and allow extra time. Reduce speed and increase following distance as conditions warrant.
Are there rest areas on the Nepean to Buffalo route?
Yes, there are 39 rest areas along this route. Facilities include restrooms, parking, and in some cases picnic areas and vending machines. Rest stops are spaced throughout the drive, so you'll never be too far from a break.
Can I see live traffic cameras on this route?
Yes, Route Outlook shows 12 live traffic cameras along this route, sourced from state DOT feeds. You can check road visibility, traffic flow, and pavement conditions in real time before and during your drive.
What highways does this route use?
This route primarily uses I-81 South, I-90 West (New York State Thruway; Governor Thomas E. Dewey Thruway). Conditions can vary between highway segments, so check live camera feeds and road condition reports for each stretch before departing.
Are there any road closures on this route right now?
There are currently 4 active incidents along this route that may affect your drive. Check the incident details above for specific locations and expected durations.
Related Driving Guides
10 Essential Winter Driving Tips for Long Road Trips
Planning a winter road trip? Here are the essential safety tips to help you navigate snow, ice, and cold weather conditions.
🧊Black Ice: The Invisible Killer on Winter Roads
Black ice forms when rain or melting snow refreezes on cold road surfaces. Here's how to spot the conditions that create it.
🛡️Road Safety Features: Real-Time Conditions for Your Route
Real-time traffic incidents from 12 states, highway message signs, road conditions, and 25,000+ traffic cameras--integrated into your route planning.
Explore More Routes
More routes from Nepean
More routes to Buffalo
Similar-distance drives
More routes starting in ON
Don't Drive Blind Into Weather
Route Outlook shows you conditions at every point along your route—at the exact time you'll be there.
Open Planner