Erie, Pennsylvania Weather
Apples hang heavy on the branch. Day 93 of summer. Read this microseason across nine climate regions →
Erie weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:25 AM EDT · Open-Meteo
- TodaySep 21Overcast——63°53°—
- TuesdaySep 22Overcast10%—67°50°+4°
- WednesdaySep 23Overcast10%—68°53°+1°
- ThursdaySep 24Overcast——68°48°0°
- FridaySep 25Overcast——64°47°-4°
- SaturdaySep 26Overcast——68°49°+4°
- SundaySep 27Overcast——72°52°+4°
Air quality now AQI 37 · Good
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.4 µg/m³, PM10 at 5.7 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³, PM10 at 5.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 4:58 PM
- Moonset
- 1:32 AM
- In sign
- ♑︎ Capricorn
Apples hang heavy on the branch
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Erie at a glance
- Today vs. normal: Today averages 58°F (high 63°F, low 53°F), 5°F below the 63°F normal for Sep 21
- Last frost: April 26 (1991–2020 median, NOAA station 10 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Erie
- Mon63°53°4%
- Tue67°50°10%
- Wed68°53°10%
- Thu68°48°8%
- Fri64°47°1%
- Sat68°49°3%
- Sun72°52°3%
- Mon75°60°6%
- Tue78°60°15%
- Wed70°59°32%
- Thu69°55°28%
- Fri59°52°21%
- Sat78°53°24%
- Sun73°60°32%
- Mon59°50°30%
- Tue53°43°30%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Erie
Interactive wind and temperature map centered on Erie — 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 November 4) 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 Erie
Erie sits in Erie County, where the year’s longest day runs 15h 15m of daylight and its shortest just 9h 6m — a swing of +6h 9m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Philadelphia, the state’s largest city, lies about 296 miles to the ESE. The nearest town Erie tracks is Pittsburgh, roughly 116 miles to the S.
Air quality in Erie
Air quality in Erie’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 34). See the full air-quality history for Erie.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
The year in Erie tops out in July (~73°F) and dips lowest in January (~28°F), with October wettest at 4.4 inches and February driest at 2.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.4″ | 10 |
| February | 29° | 2.5″ | 8 |
| March | 36° | 3.1″ | 8 |
| April | 47° | 3.5″ | 9 |
| May | 59° | 3.5″ | 8 |
| June | 68° | 3.7″ | 7 |
| July | 73° | 3.3″ | 7 |
| August | 72° | 3.4″ | 6 |
| September | 65° | 4.3″ | 7 |
| October | 54° | 4.4″ | 10 |
| November | 44° | 3.8″ | 9 |
| December | 34° | 4.2″ | 11 |
Regional context
Similar climates Wesleyville, PA, Northwest Harborcreek, PA, Penn State Erie, PA
Drawing on NOAA NCEI 1991-2020 normals, Erie's January averages 28°F and July 73°F — 45°F apart — while precipitation totals roughly 43 inches over some 99 days.
Erie's precipitation spreads evenly across the seasons: October peaks at 4.4 inches on 9.5 wet days, while February holds 2.5 inches over 7.5 — no season dominates Erie's rain calendar. It is a balanced pattern Erie shares with places like Wesleyville, PA, Northwest Harborcreek, PA and Penn State Erie, PA.
Erie's growing window opens around April 26, once Erie's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Hold Erie's tender crops — tomatoes, peppers, basil — until 10-14 days past Erie's last frost. Around November 4, freezing nights resume in Erie and tender crops must come in. In about half of years, Erie's last freeze comes after April 26.
Similar climates: Wesleyville, PA, Northwest Harborcreek, PA, Penn State Erie, PA, Avonia, PA, Girard, PA.
Frequently asked
- When does it freeze in Erie?
- In Erie, expect the last spring frost near April 26; Erie's first autumn frost comes around November 4.
- What is the rainy season in Erie?
- October is the wettest month in Erie, about 4.4 inches on average; the year totals roughly 43 inches.
- What is the warmest month in Erie?
- July is Erie's warmest month, averaging about 73°F.
- What is the coldest month in Erie?
- Erie bottoms out in January, with a mean near 28°F.
- When can I start a vegetable garden in Erie?
- Erie's last frost (April 26) cues hardy greens; in Erie, hold heat-lovers two weeks past.
- How many rainy days does Erie get?
- Erie records around 99 days of measurable precipitation annually.
- What hardiness zone is Erie?
- Erie sits in the USDA zone set by January lows near 28°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Erie?
- Erie'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 Erie?
- See this week's day-by-day rain chances for Erie in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Erie?
- Current conditions for Erie and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Erie forecast updated?
- The Erie forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Erie?
- Today's sunrise and sunset times for Erie 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 Erie?
- The next few days in Erie's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Erie sits at 42.1°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Erie
- 16501
- 16502
- 16503
- 16504
- 16505
- 16506
- 16507
- 16508
- 16509
- 16510
- 16511
- 16512
- 16514
- 16522
- 16530
- 16534
- 16538
- 16541
- 16544
- 16546
- 16550
- 16553
- 16563