Weather on October 18 in Ottawa

Historical weather data for October 18 in Ottawa, Canada

Avg High13°C (55°F)
Avg Low3°C (38°F)
Warmest199816°C
Coldest2015-2°C

Based on 54 years of data from OTTAWA CDA

About This Date

October 18th in Ottawa, Canada typically brings cool fall weather, with average highs around 13°C and lows near 3°C. Over 54 years of records, the warmest October 18th was in 1998 (16°C average), while the coldest was 2015 (-2°C) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 39% of October 18th dates historically, with the wettest October 18th recording 1.69" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

Planning for October 18th in Ottawa? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202518°C (65°F)8°C (46°F)--
202316°C (60°F)3°C (37°F)0"
202211°C (52°F)4°C (39°F)0.06"
202112°C (53°F)6°C (43°F)0.04"
202014°C (57°F)4°C (40°F)0"
20199°C (48°F)2°C (36°F)0"
20185°C (41°F)-2°C (29°F)0"
201722°C (71°F)6°C (43°F)0.14"
201624°C (75°F)8°C (46°F)0"
20152°C (36°F)-6°C (22°F)0.02"
201414°C (58°F)9°C (48°F)0.04"
201314°C (57°F)8°C (46°F)0.15"
201222°C (71°F)6°C (43°F)0.14"
201116°C (60°F)7°C (45°F)0.03"
201011°C (52°F)3°C (38°F)0"
200910°C (50°F)-4°C (25°F)0"
200812°C (53°F)-4°C (25°F)0"
200717°C (63°F)7°C (45°F)0"
200615°C (59°F)7°C (45°F)0.03"
200512°C (54°F)4°C (39°F)0.2"
20048°C (47°F)3°C (37°F)0"
20037°C (44°F)3°C (38°F)0"
200211°C (52°F)1°C (34°F)1.69"
20019°C (49°F)1°C (33°F)0"
200014°C (58°F)8°C (46°F)0.29"
19998°C (46°F)5°C (41°F)0"
199822°C (71°F)10°C (50°F)0"
199713°C (56°F)-3°C (27°F)0"
199612°C (53°F)3°C (37°F)0"
199519°C (67°F)5°C (41°F)0"
199410°C (50°F)7°C (45°F)0.14"
199312°C (53°F)8°C (46°F)0"
19928°C (47°F)-1°C (30°F)0.22"
199118°C (65°F)2°C (35°F)0.3"
199021°C (69°F)7°C (45°F)1.66"
19894°C (39°F)1°C (33°F)0"
198817°C (62°F)9°C (49°F)0.04"
198713°C (56°F)8°C (47°F)0"
198610°C (50°F)-1°C (31°F)0.02"
198518°C (65°F)6°C (42°F)0.62"
198414°C (57°F)6°C (42°F)0"
198313°C (55°F)4°C (39°F)0"
198211°C (52°F)-1°C (31°F)0"
198112°C (54°F)3°C (37°F)0.72"
198020°C (68°F)10°C (50°F)0"
197911°C (52°F)2°C (36°F)0"
197810°C (50°F)-1°C (30°F)0.2"
19777°C (45°F)1°C (33°F)0"
19764°C (40°F)-1°C (30°F)0"
19759°C (49°F)3°C (38°F)0"
19744°C (40°F)-3°C (26°F)0"
19738°C (47°F)2°C (35°F)0"
19724°C (40°F)-4°C (24°F)0"
197120°C (68°F)4°C (39°F)0"

Popular Dates in Ottawa

October 18 in Other Canada Cities

Browse by Country

Explore More Dates

See historical weather for other dates in Ottawa

Back to Ottawa