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United States weather

Weather in Harrisburg, Pennsylvania for January 2026

Your guide to Harrisburg weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Cold Weather Advisory - See hour by hour.

    • Snow Forecast ❄️

  • Harrisburg typically experiences moderate snowfall in January, with an average of 7 snowy days.
    According to Harrisburg snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in Harrisburg has been nearly identical to the historical average, with a temperature of 1.3 °F (showing only a slight deviation of -0.2 °F).

  • The forecast for the coming days of January 2026 predicts a temperature of -3.9 °F , which is warmer than usual.

  • In general, the average temperature in Harrisburg at the beginning of January is 2.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.1 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
9
Rainy days
Average snowy days
7
Snow days
Average temperatures
2°/-4°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Harrisburg Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
4°
2
Sunny
3°
3
Overcast
2°
4
Patchy rain possible
2°
5
Overcast
2°
6
Heavy snow
1°
7
Moderate snow
2°
8
Freezing fog
2°
9
Light sleet
6°
10
Patchy rain possible
7°
11
Patchy rain possible
4°
12
Patchy rain possible
5°
13
Overcast
7°
14
Overcast
2°
15
Overcast
0°
16
Overcast
-1°
17
Sunny
0°
18
Moderate snow
1°
19
Overcast
1°
20
Light snow showers
-4°
21
Partly cloudy
-2°
22
Mist
-1°
23
Overcast
0°
24
Light rain
-2°
25
Light rain
-2°
26
Overcast
4°
27
Weather Alert Light freezing rain
-4°
28
Partly cloudy
-8°
29
Sunny
-5°
30
Sunny
-6°
31
Overcast
-8°

Temperatures trend during January in Harrisburg

See the weather trend as well as the moving average line

January weather in Harrisburg day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
 4° /-1° 1.8 mm 0 cm
Jan. 2 Sunny
Sunny
 3° /-3° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 4 Patchy rain possible
Patchy rain possible
 2° /-3° 0 mm 0 cm
Jan. 5 Overcast
Overcast
 2° /-5° 0 mm 0 cm
Jan. 6 Heavy snow
Heavy snow
 1° /-3° 13.6 mm 8.6 cm
Jan. 7 Moderate snow
Moderate snow
 2° /-2° 0.4 mm 0.2 cm
Jan. 8 Freezing fog
Freezing fog
 2° /-3° 0 mm 0 cm
Jan. 9 Light sleet
Light sleet
 6° /-3° 18.9 mm 0 cm
Jan. 10 Patchy rain possible
Patchy rain possible
 7° /-1° 13.7 mm 0 cm
Jan. 11 Patchy rain possible
Patchy rain possible
 4° /-1° 4.8 mm 2.1 cm
Jan. 12 Patchy rain possible
Patchy rain possible
 5° /-2° 3.3 mm 0 cm
Jan. 13 Overcast
Overcast
 7° /-2° 1.9 mm 0 cm
Jan. 14 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Jan. 15 Overcast
Overcast
 0° /-7° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 -1° /-8° 1.2 mm 0.8 cm
Jan. 17 Sunny
Sunny
 0° /-6° 0 mm 0 cm
Jan. 18 Moderate snow
Moderate snow
 1° /-6° 0.4 mm 0.3 cm
Jan. 19 Overcast
Overcast
 1° /-7° 1.4 mm 1 cm
Jan. 20 Light snow showers
Light snow showers
 -4° /-11° 0.1 mm 0.1 cm
Jan. 21 Partly cloudy
Partly cloudy
 -2° /-11° 0 mm 0 cm
Jan. 22 Mist
Mist
 -1° /-9° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 0° /-8° 0.1 mm 0 cm
Jan. 24 Light rain
Light rain
 -2° /-7° 3.4 mm 0 cm
Jan. 25 Light rain
Light rain
 -2° /-7° 40.4 mm 25.9 cm
Jan. 26 Overcast
Overcast
 4° /-4° 2.7 mm 1.8 cm
Jan. 27 Light freezing rain
Light freezing rain
 -4° /-20° 0.2 mm 0 cm
Jan. 28 Partly cloudy
Partly cloudy
 -8° /-17° 0 mm 0 cm
Jan. 29 Sunny
Sunny
 -5° /-14° 0 mm 0 cm
Jan. 30 Sunny
Sunny
 -6° /-15° 0 mm 0 cm
Jan. 31 Overcast
Overcast
 -8° /-17° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Harrisburg in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harrisburg forecast closer to your planned date for the most up-to-date weather information.
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Harrisburg in January - FAQ

What are the expected maximum and minimum temperatures in Harrisburg during January?

Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Harrisburg during January?

Significant rainfall exceeding 100.8 mm is expected in Harrisburg during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Harrisburg in January 2026?

Harrisburg experiences an average snowfall of 19.675 cm during January, occurring over 7 days.

What are the typical wind conditions in Harrisburg during January?

The average wind speed in Harrisburg during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Harrisburg snow forecast January 2026

Track daily snowfall levels and discover Harrisburg’s snowy potential this January ❄️
On average, Harrisburg sees 7 snowy days during January, with approximately 19.7 cm of total snowfall.

January rainfall patterns in Harrisburg

Explore the daily rainfall trends and prepare for Harrisburgs January weather 💧
Typically, Harrisburg has 9 rainy days in January with a total of 100.8 mm of rainfall.

Quick links

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Location coordinates Where is Harrisburg?

Get accurate weather forecasts for Harrisburg, located at latitude 40.274 and longitude -76.884. Stay updated with localized weather information tailored for Harrisburg.

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