Hillsboro weather in June: Hillsboro, Oregon: normal highs, lows, rain and records for June

Hillsboro in June has a normal high of 74°F and a normal low of 49°F, a daily mean of 61°F, rising from 71°F on the 1st to 78°F by the 30th. Measurable precipitation falls on 9 days in a normal June, 1.31 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 23°C and low of 9°C, 33 mm of precipitation in June.

  • NOAA stationPortland-Hillsboro Airport
  • Station IDUSW00094261
  • Location45.54°N 122.95°W
  • Elevation204 ft (62 m)
  • Population110,337
  1. Jan 47° 34°
  2. Feb 51° 34°
  3. Mar 56° 37°
  4. Apr 61° 39°
  5. May 69° 45°
  6. Jun 74° 49°
  7. Jul 82° 52°
  8. Aug 82° 52°
  9. Sep 76° 48°
  10. Oct 64° 41°
  11. Nov 53° 37°
  12. Dec 46° 33°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hillsboro in June?

The normal high is 74°F and the normal low 49°F, for a daily mean of 61.0°F. June is 4.3°F warmer than May and 6.2°F cooler than July. June is the 4th warmest month of the year in Hillsboro and the 10th wettest. Across the month the normal high rises 7°F, from 71°F on June 1 to 78°F on June 30. From one year to the next June's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Junes in three average between 59°F and 63°F.

Hillsboro in June, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 171°F47°F35%18%
June 872°F48°F32%16%
June 1573°F48°F28%13%
June 2275°F49°F24%11%
June 3078°F50°F19%8%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
Hillsboro: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 171°F47°F35%18%15 h 30 min
June 271°F47°F35%17%15 h 30 min
June 371°F48°F34%17%15 h 30 min
June 471°F48°F34%17%15 h 30 min
June 571°F48°F34%17%15 h 30 min
June 671°F48°F33%17%15 h 30 min
June 772°F48°F33%16%15 h 30 min
June 872°F48°F32%16%15 h 30 min
June 972°F48°F32%16%15 h 40 min
June 1072°F48°F31%15%15 h 40 min
June 1172°F48°F31%15%15 h 40 min
June 1272°F48°F30%15%15 h 40 min
June 1373°F48°F29%14%15 h 40 min
June 1473°F48°F29%14%15 h 40 min
June 1573°F48°F28%13%15 h 40 min
June 1673°F49°F28%13%15 h 40 min
June 1773°F49°F27%13%15 h 40 min
June 1874°F49°F26%12%15 h 40 min
June 1974°F49°F26%12%15 h 40 min
June 2074°F49°F25%12%15 h 40 min
June 2175°F49°F24%11%15 h 40 min
June 2275°F49°F24%11%15 h 40 min
June 2375°F49°F23%10%15 h 40 min
June 2476°F49°F23%10%15 h 40 min
June 2576°F50°F22%10%15 h 40 min
June 2676°F50°F21%9%15 h 40 min
June 2777°F50°F21%9%15 h 40 min
June 2877°F50°F20%9%15 h 40 min
June 2977°F50°F19%8%15 h 40 min
June 3078°F50°F19%8%15 h 40 min
Normal high
74°FJune average
Normal low
49°FJune average
Precipitation
1.31 inmonth total
Days with precipitation
90.01 inch or more
Days at 90°F or more
2
Daylight
15 h 30 min to 15 h 40 minJune 1 to June 30
Days at 70°F or more
18
Days at 80°F or more
7
Sunshine
70%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094261; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Hillsboro in June?

On a given June day the chance of 0.01 inch or more is 28% on average, highest around June 1 (35%). In all, 1.31 in falls on 9 days of a normal June.

In a normal June in Hillsboro, 2 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094261.

How humid and windy is Hillsboro in June?

At 3 p.m. the normal temperature is 76°F with 44% relative humidity and a dew point of 52°F; at 6 a.m. it is 56°F with 84% humidity. The wind averages 5.0 mph, most often from the north-northwest in the afternoon.

A normal June day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.56°F51°F84%1.6 mph60%
9 a.m.64°F52°F64%3.1 mph53%
noon71°F52°F50%5.0 mph55%
3 p.m.76°F52°F44%6.9 mph59%
6 p.m.74°F53°F48%9.2 mph61%
9 p.m.64°F52°F67%7.1 mph74%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094261. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for June in Hillsboro?

The warmest June temperature on Hillsboro's official record (since 1929) is 114°F, on June 28, 2021; the coldest is 30°F, on June 1, 1934. The wettest June brought 4.38 in (1984).

The June mean against the 1991-2020 normal of 61.0°F: 2021 66.9°F (+5.9), 2022 61.6°F (+0.6), 2023 63.0°F (+2.0), 2024 61.8°F (+0.8), 2025 63.1°F (+2.1). 5 of 5 ran warmer than normal.

Hillsboro: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202166.9°F+5.9°F1.49 in
202261.6°F+0.6°F2.06 in
202363.0°F+2.0°F0.56 in
202461.8°F+0.8°F0.99 in
202563.1°F+2.1°F0.44 in

Source: records: ACIS, NWS threaded record HIOthr; recent months: ACIS, station USW00094261. Records and recent months use complete months only.

How does June in Hillsboro compare across Oregon?

Across the 105 places PlainClimate covers in Oregon, June normal highs run from 59°F in Government Camp to 85°F in Ontario; Hillsboro's is 74°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places