Nepean, ON → Portland, ME
293 mi · 5h 51m (driving)
Current Risk
Low Risk
Clear conditions along your route
Nepean
57°
Town of Dannemora
54°
Caledonia County
54°
Portland
62°
Trip Briefing
3 segments · 293 mi · 5h 52m
Weather
☀️ Clear sky
54°F, wind 6 mph
Rest Stops
7
Restrooms, Picnic, WiFi
Clear driving conditions expected
Rest stops in this segment:
- ● Halte Municipale 🚻
- ● Halte routière de Rigaud
- ● Halte de Saint-Placide 🚻 🪑
Normal Traffic
1 construction zone along route — no other incidents
1 Construction Zone on Route
Daily Construction on HWY 417 Eastbound between WALKLEY RD (IC 110) and HUNT CLUB RD, Ottawa. 1 Right Lane(s).
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.
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Selected Route
Via I-89 → I-93 South (Everett Turnpike) → ... → I-295 North → US-1A
Cameras shown are along this computed route
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Georgia - I-89
NY
Georgia - I-89
NY
Milton - I-89
NY
Milton - I-89
NY
101 E 76.5
NH · EB
101 E 86.9
NH · EB
Rest Stops Along Your Route
31 stops available
Swipe to see moreShowing 1-2 of 31
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:
- 🌧️Aug 12: Rain advisory for afternoon departures
- ❄️Aug 10: Snow expected at higher elevations - consider earlier departure
- 🌫️Aug 7: Dense fog warning for morning travel
Don't miss the next alert →
Driving from Nepean, ON to Portland, ME covers 293 miles in roughly 5h 51m of drive time, crossing state lines. We track 6 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
Aug 14
69° / 56°
27% precip
Tomorrow
Aug 15
72° / 54°
4% precip
Sun
Aug 16
72° / 53°
53% precip
Mon
Aug 17
75° / 59°
50% precip
Tue
Aug 18
79° / 54°
2% precip
Wed
Aug 19
76° / 60°
51% precip
Thu
Aug 20
78° / 55°
51% precip
🗓️ Weekend Outlook
Saturday
Good to Go☁️ Overcast at origin, ☁️ Overcast at destination
Sunday
Use Caution🌧️ Moderate drizzle → 🌧️ Slight rain. Use caution.
Plan This Route
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Current Conditions
Nepean, ON
57°F
Wind: 4 mph
Portland, ME
62°F
Wind: 6 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 (Aug 15) looks ideal. Low chance of precipitation with manageable conditions
Is it safe to drive from Nepean to Portland today?
Current conditions show low risk along this route. Conditions look favorable for travel. Always stay alert and adjust speed for changing conditions.
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 6 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-89, NH 101. 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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🛡️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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