0in

Rain Today

Rain Last Hour
0in

Recorded at Williamsport - Lycoming County Airport Updated 15 mins ago (15.9 miles away)

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Real-Time Extremes

Hottest 98.5 °F
Port-Au-Prince / Aeroport International, PR
Coldest -32.9 °F
LaGrange-Callaway Airport, GA
Windiest 33.3mph
Shemya, Eareckson AFB, AK
Wettest (Last Hour) 0.5in
Fentress, Naval Auxiliary Landing Field, VA
Most Humid 100%
Delaware Airpark, DE
Least Humid 11%
Nellis Air Force Base, NV
Highest Pressure 1040.6 hPa
Salida - Monarch Pass, CO
Lowest Pressure 985.8 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Ottawa Rainfall Forecast

Today 16 Sep
No Rain
Wed 17 Sep
35%
Thu 18 Sep
5%
Fri 19 Sep
No Rain
Sat 20 Sep
No Rain
Sun 21 Sep
5%
Mon 22 Sep
20%

Ottawa Rainfall Statistics

September Rainfall

Williamsport - Lycoming County Airport (15.5 miles)

Total Rainfall 2025
26.7in
Daily Average 2025
0.1in
Wettest Day 5 March, 2025
1.9in
Wet Days 2025
91/259 (35%)
Total Rainfall August
1.4in
Daily Average August
0.05in
Wettest Day 24 August, 2025
0.9in
Wet Days August
5/31 (16%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 6 September, 2025
0.1in
Wet Days September
2/16 (13%)

Climate (2010–Present)

Williamsport - Lycoming County Airport (15.5 miles)

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Annual Average 2020–2024
42.3in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 9 August, 2024
3.3in

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