Weather Tomorrow in Harrisburg, PA
Freeze WatchUntil Oct 18, 9:00 AM EDT
Freeze Watch issued October 16 at 9:09PM EDT until October 18 at 9:00AM EDT by NWS State College PA
Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation.
Sunday, October 18, 2026
High 58°FLow 34°F
Clear
- Rain chance
- 0%
- Wind
- 0-5 mph
- Humidity
- 57%
- Feels like
- 34–58°F
Data source: National Weather Service (NOAA) · Forecast issued
Precipitation Timeline
No significant precipitation expected tomorrow.
Tomorrow by Hour
Local time. Rows with a 40% or higher chance of rain are shaded blue.
| Time | Sky | Temp | Rain | Wind (mph) |
|---|---|---|---|---|
| 12 AM | , Clear | 40°F | 0% | 5 N |
| 1 AM | , Clear | 39°F | 0% | 3 N |
| 2 AM | , Clear | 38°F | 0% | 3 N |
| 3 AM | , Clear | 38°F | 0% | 3 N |
| 4 AM | , Areas Of Frost | 37°F | 0% | 2 N |
| 5 AM | , Areas Of Frost | 37°F | 0% | 2 N |
| 6 AM | , Areas Of Frost | 36°F | 0% | 2 N |
| 7 AM | , Areas Of Frost | 34°F | 0% | 1 N |
| 8 AM | , Areas Of Frost | 36°F | 0% | 1 NW |
| 9 AM | , Sunny | 40°F | 0% | 1 N |
| 10 AM | , Sunny | 45°F | 0% | 1 N |
| 11 AM | , Sunny | 50°F | 0% | 2 NE |
| 12 PM | , Sunny | 52°F | 0% | 2 NE |
| 1 PM | , Sunny | 55°F | 0% | 2 NE |
| 2 PM | , Sunny | 57°F | 0% | 2 NE |
| 3 PM | , Sunny | 58°F | 0% | 2 NE |
| 4 PM | , Sunny | 58°F | 0% | 2 NE |
| 5 PM | , Sunny | 58°F | 0% | 2 N |
| 6 PM | , Clear | 56°F | 0% | 2 NE |
| 7 PM | , Mostly Clear | 53°F | 0% | 1 NE |
| 8 PM | , Mostly Clear | 50°F | 0% | 1 E |
| 9 PM | , Mostly Clear | 48°F | 0% | 1 E |
| 10 PM | , Mostly Clear | 46°F | 0% | 0 |
| 11 PM | , Mostly Clear | 44°F | 0% | 0 |
What to Wear Tomorrow
Mild temperatures — a light layer should do
Clothing
- T-shirt or long-sleeve
- Light jacket (for morning/evening)
Footwear
Sneakers
Conditions
- High
- 58°F
- Low
- 34°F
- Wind
- 0-5 mph
- Rain
- 0%
Enjoy your day!
Best Time to Be Outside Tomorrow
3 PM – 5 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
88out of 100
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Frequently Asked Questions
What is the weather forecast for tomorrow in Harrisburg, PA?
Tomorrow in Harrisburg: High of 58°F, Low of 34°F. Clear with 0% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in Harrisburg?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Harrisburg?
With a high of 58°F and low of 34°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.