Coeur d'Alene, Idaho Weather
Thunder retreats as the monsoon dies. Day 93 of summer. Read this microseason across nine climate regions →
Coeur d'Alene weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 7:25 AM PDT · Open-Meteo
- TodaySep 21Clear——82°47°—
- TuesdaySep 22Overcast——78°57°-4°
- WednesdaySep 23Overcast——73°46°-5°
- ThursdaySep 24Overcast——78°48°+5°
- FridaySep 25Showers37%0.38″58°43°-20°
- SaturdaySep 26Overcast22%—63°38°+5°
- SundaySep 27Light Drizzle—0.02″57°42°-6°
Air quality now AQI 31 · Good
AQI 31 (Good), driven by PM2.5. AQI projected to climb to 49 over the next 6 hours. PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:48 PM
- Moonset
- 12:43 AM
- In sign
- ♑︎ Capricorn
Thunder retreats as the monsoon dies
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Coeur d'Alene at a glance
- Today vs. normal: Today averages 65°F (high 82°F, low 47°F), 6°F above the 59°F normal for Sep 21
- Last frost: April 22 (1991–2020 median, NOAA station 2 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Coeur d'Alene
- Mon82°47°0%
- Tue78°57°1%
- Wed73°46°0%
- Thu78°48°6%
- Fri58°43°37%
- Sat63°38°22%
- Sun57°42°9%
- Mon55°40°8%
- Tue63°38°3%
- Wed66°40°7%
- Thu68°46°8%
- Fri66°41°16%
- Sat65°37°16%
- Sun72°39°5%
- Mon70°45°0%
- Tue68°42°10%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Coeur d'Alene
Interactive wind and temperature map centered on Coeur d'Alene — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 18) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Coeur d'Alene
Coeur d'Alene sits in Kootenai County, where the year’s longest day runs 16h 0m of daylight and its shortest just 8h 25m — a swing of +7h 36m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Boise, the state’s largest city, lies about 285 miles to the S. The nearest town Coeur d'Alene tracks is Yellow Pine, roughly 199 miles to the SSE.
Air quality in Coeur d'Alene
Air quality in Coeur d'Alene’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 24). See the full air-quality history for Coeur d'Alene.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | — | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Coeur d'Alene's warmest month is July (~70°F mean) and its coldest is December (~31°F). Rainfall peaks in December (3.5 inches) and bottoms out in July (0.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.2″ | 14 |
| February | 34° | 2.1″ | 11 |
| March | 40° | 2.7″ | 13 |
| April | 46° | 1.9″ | 11 |
| May | 55° | 2.1″ | 11 |
| June | 62° | 2.2″ | 9 |
| July | 70° | 0.7″ | 4 |
| August | 70° | 0.8″ | 4 |
| September | 61° | 0.8″ | 6 |
| October | 49° | 2.0″ | 11 |
| November | 38° | 3.3″ | 15 |
| December | 31° | 3.5″ | 13 |
Regional context
Similar climates Dalton Gardens, ID, Huetter, ID, Fernan Lake Village, ID
Coeur d'Alene swings from 31°F in January to 70°F in July (39°F) per NOAA NCEI 1991-2020 normals; precipitation in Coeur d'Alene runs about 25.4 inches on roughly 122 measurable days.
Coeur d'Alene's moisture rides winter storm tracks: December brings 3.5 inches over 13.2 wet days, while July sees only 0.7 inches across 3.8 days in the dry warm season. That cool-season-wet pattern aligns Coeur d'Alene with places like Dalton Gardens, ID, Huetter, ID and Fernan Lake Village, ID.
Once Coeur d'Alene passes April 22, freezes fade and Coeur d'Alene's beds take peas, lettuce, spinach, and radishes. Tomatoes and peppers do best set out two weeks later in Coeur d'Alene, once nights clear the mid-40s°F. Frost returns to Coeur d'Alene near October 18, ending the tender-crop season. Open lawns in Coeur d'Alene whiten first when frost returns.
Similar climates: Dalton Gardens, ID, Huetter, ID, Fernan Lake Village, ID, Hayden, ID, Hayden Lake, ID.
Frequently asked
- When does it freeze in Coeur d'Alene?
- In Coeur d'Alene, expect the last spring frost near April 22; Coeur d'Alene's first autumn frost comes around October 18.
- What is the rainy season in Coeur d'Alene?
- December is the wettest month in Coeur d'Alene, about 3.5 inches on average; the year totals roughly 25 inches.
- What is the warmest month in Coeur d'Alene?
- On average July tops the year in Coeur d'Alene at about 70°F.
- What is the coldest month in Coeur d'Alene?
- The coldest stretch in Coeur d'Alene falls in December, around 31°F on average.
- When can I start a vegetable garden in Coeur d'Alene?
- Around April 22, start frost-hardy crops in Coeur d'Alene; tomatoes and basil belong a fortnight later.
- How many rainy days does Coeur d'Alene get?
- Coeur d'Alene records around 122 days of measurable precipitation annually.
- What hardiness zone is Coeur d'Alene?
- With December around 31°F, Coeur d'Alene's zone reflects that minimum — the USDA ZIP map confirms Coeur d'Alene's band.
- What is the 10-day forecast for Coeur d'Alene?
- Coeur d'Alene's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Coeur d'Alene?
- See this week's day-by-day rain chances for Coeur d'Alene in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Coeur d'Alene?
- Current conditions for Coeur d'Alene and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Coeur d'Alene forecast updated?
- The Coeur d'Alene forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Coeur d'Alene?
- Today's sunrise and sunset times for Coeur d'Alene are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Coeur d'Alene?
- The next few days in Coeur d'Alene's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Coeur d'Alene sits at 47.7°N; its climate zone is warm-summer Mediterranean (Köppen approximation).
ZIP codes in Coeur d'Alene
- 83814
- 83815
- 83816