Glen Allyn Weather Forecast

Today 18 Sep
- 18
- 24
Shower or two
Fri 19 Sep
- 18
- 24
Possible shower
Sat 20 Sep
- 16
- 28
Partly cloudy
Sun 21 Sep
- 16
- 27
Shower or two
Mon 22 Sep
- 16
- 26
Shower or two
Tue 23 Sep
- 16
- 25
Shower or two
Wed 24 Sep
- 16
- 25
Partly cloudy

Today 18 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 19 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 20 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 21 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 22 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 23 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 24 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 18 Sep North Tropical Coast and Tablelands

Partly cloudy. High chance of showers near the coast, slight chance elsewhere. Winds east to southeasterly 20 to 30 km/h.

Glen Allyn Temperature Statistics View More

September Temperature

Walkamin Research Station (36km)

Lowest 4 August, 2025
4.6 °C
Average 2025
22.2 °C
Highest 19 January, 2025
35.1 °C
Lowest 4 August, 2025
4.6 °C
Average August
19.3 °C
Highest 28 August, 2025
33 °C
Lowest 9 September, 2025
14 °C
Average September
21.3 °C
Highest 11 September, 2025
30.8 °C

Climate (2020–Present)

Walkamin Research Station (36km)

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Average Low 2020–2025
17.7 °C
Average 2020–2025
22.9 °C
Average High 2020–2025
28 °C

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