Millvale, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Millvale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle40%0.02″98°71°—
- SundayJul 5Rain79%0.30″89°72°-9°
- MondayJul 6Thunderstorm71%0.03″81°68°-8°
- TuesdayJul 7Overcast34%—87°66°+6°
- WednesdayJul 8Overcast10%—89°62°+2°
- ThursdayJul 9Light Drizzle49%0.01″91°69°+2°
- FridayJul 10Heavy Drizzle54%—82°68°-9°
AQI 59 (Moderate), driven by PM2.5. AQI projected to climb to 76 over the next 6 hours. PM2.5 at 22.9 µg/m³ (AQI 77) with a 0.99 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm 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
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 38
- UV peak
- 3.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 22.9 µg/m³ (AQI 77) with a 0.99 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.99
- Wind
- calm
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 10:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Millvale at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Millvale
- Sat98°71°40%
- Sun89°72°79%
- Mon81°68°71%
- Tue87°66°34%
- Wed89°62°10%
- Thu91°69°49%
- Fri82°68°54%
- Sat87°68°37%
- Sun82°66°29%
- Mon74°61°15%
- Tue80°61°15%
- Wed88°66°29%
- Thu93°70°23%
- Fri94°72°26%
- Sat87°70°32%
- Sun89°68°25%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Millvale
SPC has placed Millvale in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July is Millvale's warmest stretch (~73°F) and January its coldest (~28°F); precipitation crests in May at 5.4 inches and ebbs in February to 3.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.4″ | 20 |
| February | 31° | 3.1″ | 18 |
| March | 39° | 4.1″ | 19 |
| April | 51° | 4.3″ | 20 |
| May | 59° | 5.4″ | 19 |
| June | 68° | 4.7″ | 19 |
| July | 73° | 4.4″ | 18 |
| August | 73° | 4.0″ | 18 |
| September | 66° | 3.4″ | 16 |
| October | 55° | 3.2″ | 15 |
| November | 41° | 3.5″ | 18 |
| December | 32° | 3.9″ | 20 |
Regional context
In Millvale, NOAA NCEI 1991-2020 normals put January near 28°F and July near 73°F — a 46°F seasonal arc — with about 47.4 inches of precipitation over 221 rainy or snowy days.
Millvale's precipitation spreads evenly: May peaks at 5.4 inches on 19.3 wet days, while February holds 3.1 inches over 18.2 — no month dominates Millvale's rain calendar. That lines Millvale up with places like Etna, PA, Sharpsburg, PA and Pittsburgh, PA, fed by overlapping storm tracks.
Once Millvale passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Heat-demanding starts go out a fortnight on in Millvale, after the soil warms and cold snaps clear. The season ends by mid-November in Millvale, once hard frosts set back in. A creek-bottom lot in Millvale can lag Millvale's last frost 7-10 days behind a south slope.
Similar climates: Etna, PA, Sharpsburg, PA, Pittsburgh, PA, Aspinwall, PA, Glenshaw, PA.
Frequently asked
- When does it freeze in Millvale?
- Millvale's last spring frost lands near mid-April, and in Millvale the first fall frost follows around mid-November.
- What is the rainy season in Millvale?
- May is the wettest month in Millvale, about 5.4 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Millvale?
- On average July tops the year in Millvale at about 73°F.
- What is the coldest month in Millvale?
- The coldest stretch in Millvale falls in January, around 28°F on average.
- When can I start a vegetable garden in Millvale?
- Hardy spring crops go in near mid-April in Millvale; tender peppers and squash wait 10–14 days.
- How many rainy days does Millvale get?
- Expect roughly 221 wet days a year in Millvale.
- What hardiness zone is Millvale?
- Because Millvale bottoms near 28°F in January, that winter low sets Millvale's USDA zone — verify by ZIP.
- What is the 10-day forecast for Millvale?
- Millvale'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 Millvale?
- See this week's day-by-day rain chances for Millvale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Millvale?
- Current conditions for Millvale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Millvale forecast updated?
- The Millvale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Millvale?
- Today's sunrise and sunset times for Millvale 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 Millvale?
- The next few days in Millvale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Millvale, Pennsylvania, the warm-summer humid continental climate runs from about 28°F in January to 73°F in July, a 45°F seasonal range.
Across the year, Millvale collects about 47 inches of precipitation over roughly 221 days with measurable rain or snow.
Millvale's 45°F range, set by its 40.5°N position, drives frost timing and what thrives in Millvale.
ZIP codes in Millvale
- 15209