Nepean, ON → Portland, ME
293 mi · 5h 51m (driving)
Current Risk
Medium Risk
Fog expected
Nepean
54°
44.7°
48°
44.2°
53°
Portland
56°
Trip Briefing
3 segments · 293 mi · 5h 52m
Weather
🌫️ Fog
48°F, wind 2 mph
Rest Stops
7
Restrooms, Picnic, WiFi
Cameras
10 live
Clear driving conditions expected
Rest stops in this segment:
- ● Halte Municipale 🚻
- ● Halte routière de Rigaud
- ● Halte de Saint-Placide 🚻 🪑
Normal Traffic
No traffic incidents reported
Traffic Cameras
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Images are snapshots updated periodically by state DOTs. Timestamps shown in images indicate when each photo was captured.
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Via I-89 → I-93 South (Everett Turnpike) → ... → I-295 North → US-1A
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101 E 76.5
NH · EB
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Opens state traffic cameras
Route 132 at ch. Saint-François-Xavier (Candiac)
Montérégie, QC
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Opens state traffic cameras
Aut. 15 at route 132
Montérégie, QC
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Opens state traffic cameras
Aut. 10, west of route 134
Montérégie, QC
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Opens state traffic cameras
Aut. 10, east of route 134
Montérégie, QC
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Opens state traffic cameras
Aut. 10 at boul. Milan
Montérégie, QC
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Opens state traffic cameras
Aut. 10 at boul. Leduc
Montérégie, QC
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Opens state traffic cameras
Route 133 at Saint-Armand/Philipsburg border crossing
Estrie, QC
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Rest Stops Along Your Route
31 stops available
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⚡ Recent Weather Events on This Route
Premium users received alerts for these conditions:
- 🌫️Sep 24: Dense fog warning for morning departures - visibility below 1/4 mile
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Driving from Nepean, ON to Portland, ME covers 293 miles in roughly 5h 51m of drive time, crossing state lines. We track 12 live traffic cameras and 31 rest areas 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
Sep 29
66° / 53°
1% precip
Tomorrow
Sep 30
69° / 51°
4% precip
Thu
Oct 1
69° / 59°
40% precip
Fri
Oct 2
63° / 53°
55% precip
Sat
Oct 3
58° / 42°
4% precip
Sun
Oct 4
56° / 42°
32% precip
Mon
Oct 5
53° / 39°
16% precip
🗓️ Weekend Outlook
Saturday
Good to Go☁️ Overcast at origin, ☁️ Overcast at destination
Sunday
Good to Go☁️ Overcast at origin, 🌧️ Moderate rain at destination
Plan This Route
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Current Conditions
Nepean, ON
54°F
Wind: 3 mph
Portland, ME
56°F
Wind: 9 mph
Weather data updated in real-time
Driving from Nepean, ON to Portland, ME
The 293-mile drive from Nepean, Ontario to Portland, Maine takes approximately 5h 51m 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 Maine, connecting Nepean and Portland. A drive of 293 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 Portland
For medium-distance drives like this 293-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 293-mile drive from Nepean to Portland 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 Portland?
The drive is approximately 293 miles and takes about 5h 51m 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, Tomorrow (Sep 30) looks ideal. Low chance of precipitation with manageable conditions
Is it safe to drive from Nepean to Portland 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 Portland route?
Yes, there are 31 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 NH 101, Other. 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?
No significant incidents or road closures are currently reported along this route. Conditions can change quickly — this page updates automatically with the latest data from state DOT 511 systems.
Related Driving Guides
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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.
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