Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 10%

03:20

18:13

02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK

Sun - Rise: 07:02, Set: 19:21, Transit: 13:12. Moon - Rise: 03:20, Set: 18:13. Civil Dark: 19:50 - 06:33. Nautical Dark: 20:24 - 05:59. Astro Dark: 20:59 - 05:24

Total Clouds (% Sky Obscured)

4
10
17
30
23
32
56
86
100
100
100
66
56
68
15
21
0
2
10
27
34
33
23
34

Low Clouds (% Sky Obscured)

0
0
17
30
23
32
56
65
69
61
42
66
49
38
15
21
0
2
10
27
34
33
23
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
0
49
34
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
2
2
33
75
100
100
100
46
20
31
3
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
0
0
6
46
60
54
32
10
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
2
2
2
2
2
2
2
4
5
6
7
9
9
10
11
11
10
8
8
7
6
7
6

Chance of Frost

Temperature (°C)

14
14
13
13
12
12
14
18
21
23
24
26
27
27
27
24
22
20
18
17
16
16
15
14

Feels Like (°C)

16
16
15
14
14
13
15
18
19
21
23
25
27
27
25
24
22
20
18
17
16
16
16
15

Dew Point (°C)

11
11
11
10
9
9
9
9
9
10
11
12
12
13
14
18
18
17
16
15
15
15
14
14

Relative Humidity (%)

80
82
83
83
81
80
71
56
48
45
43
41
40
41
46
69
75
82
89
92
93
95
95
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1017
1016
1016
1016
1015
1014
1014
1014
1015
1015
1016
1017
1017
1017
1018
1018

Ozone (du)

280
280
281
280
281
283
283
283
282
282
283
283
284
285
287
291
294
295
294
292
289
289
289
290

Friday 19

Waning Crescent 5%

04:32

18:33

02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 07:03, Set: 19:20, Transit: 13:11. Moon - Rise: 04:32, Set: 18:33. Civil Dark: 19:48 - 06:34. Nautical Dark: 20:22 - 06:00. Astro Dark: 20:57 - 05:25

Total Clouds (% Sky Obscured)

48
50
48
51
37
30
34
74
58
34
30
19
17
4
10
5
9
16
3
3
3
3
3
3

Low Clouds (% Sky Obscured)

48
50
48
51
37
30
34
54
43
26
12
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
3
6
4
3
5
37
24
14
20
19
17
2
10
3
5
16
3
3
3
3
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
5
5
5
6
8
8
8
8
8
9
9
8
8
8
5
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

13
12
11
11
10
9
10
12
13
15
16
18
19
19
19
19
18
15
12
11
10
9
9
8

Feels Like (°C)

14
12
12
10
10
9
10
10
11
13
15
15
17
17
17
17
16
14
10
9
8
8
7
6

Dew Point (°C)

13
12
11
10
10
9
8
7
6
4
3
3
3
3
2
2
2
2
2
2
1
-0
-1
-1

Relative Humidity (%)

96
96
98
96
96
95
90
75
60
48
40
37
34
33
32
31
33
41
50
56
54
52
50
51

Pressure (mb)

1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024
1025
1025

Ozone (du)

290
288
286
285
283
283
284
284
284
284
283
283
282
281
279
280
279
279
279
281
282
284
284
283

Saturday 20

Waning Crescent 1%

05:41

18:52

02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 OK
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:04, Set: 19:18, Transit: 13:11. Moon - Rise: 05:41, Set: 18:52. Civil Dark: 19:46 - 06:35. Nautical Dark: 20:20 - 06:01. Astro Dark: 20:55 - 05:27

Total Clouds (% Sky Obscured)

3
3
3
4
3
8
14
26
31
1
3
4
4
13
43
41
36
32
73
72
73
70
70
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
3
0
0
3
10
15
13
0
0
1
1
10
38
29
27
25
25
24
24
26
23
19

High Clouds (% Sky Obscured)

3
3
3
2
3
8
6
4
1
1
1
2
3
3
2
5
6
6
48
47
38
30
31
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
6
8
9
9
9
9
9
10
9
8
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

8
8
7
7
6
6
7
10
13
15
17
18
19
20
20
18
17
14
11
11
10
10
10
10

Feels Like (°C)

6
6
5
5
5
4
5
8
10
13
14
15
16
16
16
15
14
11
9
7
7
7
7
6

Dew Point (°C)

-2
-2
-2
-2
-2
-3
-4
-4
-3
-3
-3
-4
-4
-4
-3
-2
-1
-0
1
2
3
2
2
1

Relative Humidity (%)

50
50
51
55
56
54
47
37
32
29
26
22
20
19
21
24
30
38
47
54
58
57
58
56

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

282
281
281
282
282
282
283
284
283
281
281
281
281
282
282
283
283
282
281
282
282
282
280
279

Sunday 21

New Moon 0%

06:48

19:09

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:05, Set: 19:16, Transit: 13:10. Moon - Rise: 06:48, Set: 19:09. Civil Dark: 19:45 - 06:36. Nautical Dark: 20:18 - 06:03. Astro Dark: 20:53 - 05:28

Total Clouds (% Sky Obscured)

83
90
98
94
91
63
49
50
45
53
51
63
95
98
100
79
95
75
100
87
100
62
65
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
9
27
43
40
28
19
15
9
3
2
1
0
13
25
35
41
50
53

Medium Clouds (% Sky Obscured)

14
10
9
14
25
40
49
50
45
48
45
34
31
26
23
27
9
0
11
19
41
37
48
100

High Clouds (% Sky Obscured)

53
74
94
66
39
13
7
4
1
17
30
48
79
90
100
77
95
75
100
87
100
62
65
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
1
0
11
13
13
19
22
31
34
27
21
15
13
13
40
56
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

6
6
7
7
7
6
7
8
9
10
10
10
10
10
10
9
8
7
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

9
9
10
10
10
10
11
13
17
20
21
22
23
24
24
23
22
20
18
18
19
19
18
18

Feels Like (°C)

7
5
6
6
6
6
8
11
15
18
20
21
22
21
21
22
22
19
18
16
17
16
17
17

Dew Point (°C)

-1
0
2
3
4
4
5
7
8
10
11
12
13
13
13
13
14
13
13
14
14
14
15
17

Relative Humidity (%)

51
52
56
60
65
67
68
64
58
52
50
50
50
50
50
53
60
66
71
76
75
76
83
93

Pressure (mb)

1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

279
279
281
282
283
285
286
284
279
279
277
277
278
278
276
273
271
271
272
272
273
272
270
269

Monday 22

Waxing Crescent 1%

07:53

19:26

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:06, Set: 19:14, Transit: 13:10. Moon - Rise: 07:53, Set: 19:26. Civil Dark: 19:43 - 06:38. Nautical Dark: 20:16 - 06:04. Astro Dark: 20:51 - 05:29

Total Clouds (% Sky Obscured)

73
100
100
100
100
100
100
100
100
100
100
100
76
88
100
100
100
100
100
99
99
97
90
86

Low Clouds (% Sky Obscured)

64
71
79
92
93
95
90
86
84
85
88
83
59
59
58
56
63
82
74
60
45
44
43
42

Medium Clouds (% Sky Obscured)

42
84
75
79
82
86
88
91
95
97
98
100
59
56
58
45
31
20
32
39
45
46
39
30

High Clouds (% Sky Obscured)

73
100
83
64
100
100
100
100
95
100
90
100
54
87
100
100
100
100
100
99
99
97
90
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
5
7
9
8
9
9
9
9
9
8
7
6
5
5
5
6
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

59
67
70
65
58
59
71
71
68
93
95
95
44
55
59
81
95
95
84
68
53
67
80
90

Precipitation Amount (mm)

0.2
0.3
0.3
0.2
0
0
0.3
0.3
0.2
0.7
1.1
1.3
0
0
0
0.2
0.3
0.4
0.4
0.3
0.2
0.3
0.5
0.7

Wind Speed/Direction (mph)

8
9
9
10
9
8
8
8
9
9
9
9
10
10
10
10
8
6
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

17
17
17
17
17
18
18
18
18
19
19
20
20
23
23
24
22
21
20
19
19
18
18
17

Feels Like (°C)

16
17
16
16
16
17
17
18
18
19
19
20
20
21
21
21
22
23
24
19
20
21
20
20

Dew Point (°C)

17
16
16
17
17
17
17
17
18
18
18
18
17
18
17
16
17
18
19
18
18
17
17
17

Relative Humidity (%)

95
93
93
95
95
95
95
96
98
96
92
86
81
74
67
62
72
81
92
92
93
93
95
96

Pressure (mb)

1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1013
1012
1011
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

269
268
268
269
269
269
270
270
270
271
271
271
271
271
270
270
271
272
272
273
274
274
274
273

Tuesday 23

Waxing Crescent 4%

08:58

19:44

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:08, Set: 19:12, Transit: 13:10. Moon - Rise: 08:58, Set: 19:44. Civil Dark: 19:41 - 06:39. Nautical Dark: 20:15 - 06:05. Astro Dark: 20:49 - 05:31

Total Clouds (% Sky Obscured)

84
87
89
93
96
100
100
100
100
99
98
98
97
97
96
95
95
95
92
90
87
89
89
88

Low Clouds (% Sky Obscured)

40
38
37
46
54
63
58
55
51
45
40
38
49
56
64
61
57
56
56
57
58
54
49
47

Medium Clouds (% Sky Obscured)

36
40
45
57
62
68
75
86
98
90
82
73
55
47
44
30
16
3
6
8
9
14
20
27

High Clouds (% Sky Obscured)

69
44
24
49
73
98
95
88
81
63
46
30
53
77
96
95
95
95
68
41
28
46
89
88

ISS Passover

Visibility (miles)

7
6
5
4
6
7
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

75
61
50
57
54
46
49
50
52
57
61
63
69
72
72
67
62
52
45
43
41
41
38
26

Precipitation Amount (mm)

0.4
0
0
0.2
0.2
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
5
6
6
6
6
7
8
8
8
8
7
6
6
4
3
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
18
19
21
22
23
25
26
26
26
25
24
22
20
20
19
19
18
18

Feels Like (°C)

20
18
19
18
18
18
19
19
19
20
20
20
20
28
27
25
26
26
26
20
21
21
21
22

Dew Point (°C)

16
17
17
17
17
17
18
18
18
18
17
16
15
15
15
15
16
17
18
17
17
17
17
16

Relative Humidity (%)

96
96
96
96
96
96
98
91
84
78
67
57
49
50
53
53
61
72
84
85
86
89
89
88

Pressure (mb)

1012
1012
1012
1011
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1011
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

272
273
273
273
273
274
275
275
274
274
274
273
273
272
272
271
271
271
271
271
271
271
271
270

Wednesday 24

Waxing Crescent 8%

10:03

20:04

Sun - Rise: 07:09, Set: 19:10, Transit: 13:09. Moon - Rise: 10:03, Set: 20:04. Civil Dark: 19:39 - 06:40. Nautical Dark: 20:13 - 06:06. Astro Dark: 20:47 - 05:32

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Bradford, Simcoe County, Canada (44.11,-79.58)

Generated: 18/09/25 02:25:40. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00