Daily brief · Canada
Record from Oct 1, 2026. Back to current conditions

Ottawa Oct 1, 2026

Review recorded on Oct 2, 2026, 6:40 AM UTC.

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

low

A single day could bring around 5mm of rain on 2026-10-02 — close to the local heavy-rain reference for this time of year (around 17.5mm in a day). Construction, drainage, and outdoor events should review schedules.

Reading evidence

Reading calculated Oct 1, 2026, 6:03 PM UTC.

Valid until Oct 6, 2026, 6:03 PM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-01 to 2026-10-07.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heavy-rain-percentile-max-v1-2026-09-22.

outdoor events · drainage operators · agriculture · local commerce · road transport

Frost is possible this week

active

Lows could dip to about -0.4°C on 2026-10-06 — under the 2°C frost line that damages buds and tender leaves. Orchards, gardens, and tender crops may face damage.

Reading evidence

Reading calculated Oct 1, 2026, 6:03 PM UTC.

Valid until Oct 4, 2026, 12:02 AM UTC.

Source: Open-Meteo.

local commerce

A dry stretch is forming

medium

5 dry days in a row could start 2026-10-03. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

Reading evidence

Reading calculated Oct 1, 2026, 6:03 PM UTC.

Valid until Oct 6, 2026, 12:02 AM UTC.

Source: Open-Meteo.

agriculture · local commerce · road transport

A cold stretch is on the way

extreme

14 days in a row could stay below 15°C, starting 2026-10-01. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

Reading evidence

Reading calculated Oct 1, 2026, 6:03 PM UTC.

Valid until Oct 4, 2026, 12:02 AM UTC.

Source: Open-Meteo.

crop growers · outdoor hospitality · local commerce

Rainfall is trending above the usual

low

Around 5.8mm of rain may fall in the next 48 hours — above the 0.3mm typical for this period. Field access, drying, and outdoor logistics may be affected.

Reading evidence

Reading calculated Oct 1, 2026, 6:03 PM UTC.

Valid until Oct 3, 2026, 6:03 PM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-01 to 2026-10-02.

Forecast source: open-meteo.

Historical reference window: 10 requested years.

Historical reference window: ±7 calendar days.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: rolling-sum-v2-anchor-lookback-2026-09-21.

farmers · tourism · logistics · local commerce · road transport

Recorded daily weather · Open-Meteo

Rain 1.2 mmMax 18.6 °CMin 14 °CGusts 35.6 km/h

Comparison unavailable for this edition.

What people were seeing · community field reports

No field observations were posted for this place on Oct 1, 2026.