Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 34%

00:14

15:48

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

Sun - Rise: 05:24, Set: 20:34, Transit: 12:58. Moon - Rise: 00:14, Set: 15:48. Civil Dark: 21:09 - 04:48. Nautical Dark: 21:55 - 04:03. Astro Dark: 22:52 - 03:07

Total Clouds (% Sky Obscured)

31
24
18
0
0
0
0
10
46
43
89
75
56
27
29
63
39
61
88
74
49
65
66
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
5
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
0
2
28
37
53
17
22
25
29
38
88
73
49
35
29
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
46
43
71
20
1
6
18
63
9
34
3
0
0
24
23
23

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
21
19
16
16
15
15
14
14
14
13
12
13
16
19
20
23
24
24
24
25
26
27
28

Dew Point (°C)

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

Relative Humidity (%)

75
77
77
77
75
75
76
76
79
80
79
78
82
76
72
68
65
61
60
59
55
54
55
60

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013

Ozone (du)

332
331
330
328
328
329
329
329
329
330
328
329
329
328
328
327
327
328
331
333
333
334
330
324

Saturday 19

Waning Crescent 23%

00:46

17:09

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 05:25, Set: 20:33, Transit: 12:58. Moon - Rise: 00:46, Set: 17:09. Civil Dark: 21:08 - 04:50. Nautical Dark: 21:54 - 04:04. Astro Dark: 22:50 - 03:09

Total Clouds (% Sky Obscured)

99
97
86
94
84
98
94
100
100
100
100
100
100
100
100
100
100
100
79
89
57
36
25
17

Low Clouds (% Sky Obscured)

18
25
25
1
7
20
7
19
40
40
63
68
83
100
100
100
100
100
79
82
57
35
15
17

Medium Clouds (% Sky Obscured)

93
97
86
55
40
96
84
91
92
85
90
96
75
90
50
47
35
52
35
19
16
28
25
2

High Clouds (% Sky Obscured)

82
85
70
75
75
86
80
100
100
100
100
100
100
98
45
0
3
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
4
3
8
4

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

Precipitation Probability (%)

1
5
29
8
10
17
31
95
80
49
45
78
58
69
55
42
18
33
57
81
76
65
72
60

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0.9
0.5
0
0
0.6
0
0
0
0
0
0
0.2
0.7
0.6
0.4
0.5
0.3

Wind Speed/Direction (mph)

3
2
3
3
3
3
3
3
4
3
5
5
6
6
5
5
6
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
22
21
19
18
18
18
17
16
16
17
17
17
18
18
18
19
19
20
21
22
23
24
25

Dew Point (°C)

18
16
15
13
13
15
14
14
16
16
16
16
16
16
16
17
17
17
18
17
18
19
19
20

Relative Humidity (%)

72
70
68
68
73
82
77
79
95
96
96
96
98
96
96
95
95
90
89
81
83
83
80
84

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008

Ozone (du)

324
321
319
317
317
316
316
318
318
322
323
323
324
325
328
330
330
331
335
338
337
337
338
339

Sunday 20

Waning Crescent 13%

01:28

18:24

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

Sun - Rise: 05:26, Set: 20:32, Transit: 12:58. Moon - Rise: 01:28, Set: 18:24. Civil Dark: 21:07 - 04:51. Nautical Dark: 21:53 - 04:05. Astro Dark: 22:48 - 03:11

Total Clouds (% Sky Obscured)

46
86
86
61
85
94
92
80
52
3
2
3
11
28
42
45
48
69
100
98
91
94
91
85

Low Clouds (% Sky Obscured)

39
69
54
41
58
86
74
58
27
1
1
1
11
28
42
44
48
49
67
62
53
51
39
34

Medium Clouds (% Sky Obscured)

28
68
28
30
27
29
39
20
6
0
0
0
0
0
0
26
32
47
50
46
42
37
33
35

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
49
26
26
20
12
13
5
0
0
0
0
0
0
0
0
2
0
0
0
0
0
1
0

Precipitation Amount (mm)

0
0.3
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)

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

Chance of Frost

Temperature (°C)

22
20
19
18
17
17
16
15
14
13
11
11
11
13
14
15
16
17
17
17
18
18
18
18

Feels Like (°C)

24
22
18
18
17
16
15
14
13
11
11
10
12
12
13
15
16
16
15
15
16
17
17
17

Dew Point (°C)

19
18
17
17
16
15
14
13
12
11
10
9
9
9
9
9
9
9
9
11
10
10
11
12

Relative Humidity (%)

85
85
86
92
93
90
89
89
87
87
90
88
87
79
74
67
62
60
58
65
59
57
62
69

Pressure (mb)

1008
1008
1009
1010
1010
1011
1011
1012
1012
1012
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

340
338
338
341
346
349
349
349
348
347
347
347
349
349
348
347
348
348
348
349
350
352
349
348

Monday 21

Waning Crescent 6%

02:23

No Set

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

Sun - Rise: 05:27, Set: 20:31, Transit: 12:58. Moon - Rise: 02:23, Set: No Set. Civil Dark: 21:06 - 04:52. Nautical Dark: 21:51 - 04:07. Astro Dark: 22:46 - 03:13

Total Clouds (% Sky Obscured)

83
70
54
40
30
10
1
2
2
3
3
2
3
2
2
5
18
32
52
47
50
84
83
25

Low Clouds (% Sky Obscured)

24
15
25
40
30
10
1
2
2
3
3
2
3
1
1
4
0
1
2
3
2
0
0
0

Medium Clouds (% Sky Obscured)

34
27
14
0
0
0
0
0
0
0
0
0
0
0
0
0
8
19
28
29
30
29
32
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
32
52
47
41
16
15
19

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 (%)

12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

3
2
2
2
2
1
2
2
2
2
2
1
1
1
2
3
4
4
4
4
4
3
2
1

Chance of Frost

Temperature (°C)

17
16
15
14
13
12
12
11
10
10
10
10
12
14
15
17
18
19
20
20
20
20
20
20

Feels Like (°C)

17
16
14
14
12
12
12
12
11
11
10
12
14
15
17
18
19
20
21
22
22
21
20
20

Dew Point (°C)

12
11
9
8
7
8
8
8
8
8
7
8
9
10
10
11
11
10
10
11
11
11
12
13

Relative Humidity (%)

72
72
67
67
66
75
80
83
85
85
84
84
81
76
72
68
62
57
55
54
54
55
59
62

Pressure (mb)

1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

347
346
345
343
342
343
344
344
343
342
344
343
342
342
341
340
339
338
338
336
334
331
331
332

Tuesday 22

Waning Crescent 2%

03:31

19:27

19 OK
20 Good
21 OK
22 OK
23 OK
00 Bad
01 Bad
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

Sun - Rise: 05:28, Set: 20:30, Transit: 12:58. Moon - Rise: 03:31, Set: 19:27. Civil Dark: 21:05 - 04:53. Nautical Dark: 21:50 - 04:08. Astro Dark: 22:44 - 03:15

Total Clouds (% Sky Obscured)

21
18
21
28
25
90
100
99
92
97
98
98
95
94
93
92
96
94
92
79
72
73
68
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
6
7
4
2

Medium Clouds (% Sky Obscured)

21
18
21
28
25
35
32
33
26
27
28
30
27
32
35
39
46
51
55
64
72
73
68
56

High Clouds (% Sky Obscured)

21
15
9
4
25
74
100
77
54
35
45
50
60
85
90
90
96
94
92
70
45
24
23
22

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
1
2
1
11
11
6
6
4
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)

1
2
3
4
4
4
4
4
4
4
4
4
4
4
4
5
6
6
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

19
17
15
14
13
13
13
13
12
12
12
13
14
16
18
19
21
22
23
24
25
25
25
24

Feels Like (°C)

21
18
16
15
14
13
11
11
10
11
11
11
13
15
16
16
17
17
18
19
24
24
24
24

Dew Point (°C)

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

Relative Humidity (%)

71
73
75
78
79
80
79
79
80
83
83
84
86
81
77
72
70
68
64
62
63
63
63
68

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1020
1020
1019
1019
1019

Ozone (du)

331
328
323
320
318
314
313
310
308
308
307
306
307
307
307
307
306
306
306
306
306
306
306
304

Wednesday 23

Waning Crescent 0%

04:48

20:16

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
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

Sun - Rise: 05:29, Set: 20:29, Transit: 12:58. Moon - Rise: 04:48, Set: 20:16. Civil Dark: 21:04 - 04:54. Nautical Dark: 21:49 - 04:10. Astro Dark: 22:42 - 03:17

Total Clouds (% Sky Obscured)

60
68
75
82
89
95
99
99
100
100
99
97
96
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
10
14
13
40
66
92
89
87
85
83
81
80
56
32

Medium Clouds (% Sky Obscured)

47
54
60
65
68
70
73
66
59
52
68
82
95
93
91
87
65
44
21
12
6
0
0
4

High Clouds (% Sky Obscured)

21
22
21
20
22
22
24
49
76
100
93
76
61
74
87
99
99
100
100
77
57
39
44
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
7
6
6
5
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
4
69
95
95
95
95
89
82
74
66
75
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.9
0.8
0.6
0.5
0.4
0.3
0.4
0.5

Wind Speed/Direction (mph)

4
3
3
3
4
4
5
5
6
6
6
7
8
9
10
11
12
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

23
21
21
20
20
20
20
20
20
20
20
21
21
21
21
21
22
22
22
23
23
23
23
22

Feels Like (°C)

24
25
21
22
21
21
22
22
21
19
19
19
20
20
20
19
19
19
20
20
22
23
23
23

Dew Point (°C)

18
18
17
15
14
14
14
13
14
14
14
15
17
18
18
19
20
20
20
20
21
21
22
21

Relative Humidity (%)

75
82
77
72
68
67
66
65
66
66
67
70
76
80
83
85
88
87
87
84
88
91
94
94

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1010
1009
1009
1008
1008

Ozone (du)

303
302
301
301
300
300
300
300
300
300
300
300
300
301
301
301
302
302
303
303
305
307
309
309

Thursday 24

New Moon 1%

06:06

20:52

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

Sun - Rise: 05:30, Set: 20:28, Transit: 12:58. Moon - Rise: 06:06, Set: 20:52. Civil Dark: 21:03 - 04:56. Nautical Dark: 21:47 - 04:11. Astro Dark: 22:40 - 03:19

Total Clouds (% Sky Obscured)

100
100
99
99
89
81
73
48
26
4
4
4
13
12
11
5
15
25
35

Low Clouds (% Sky Obscured)

22
42
58
71
68
65
61
48
26
4
4
4
13
12
11
5
15
25
35

Medium Clouds (% Sky Obscured)

10
30
37
42
50
56
64
44
22
1
4
4
13
12
11
5
15
22
8

High Clouds (% Sky Obscured)

54
83
88
90
83
51
36
24
13
1
4
4
13
12
11
5
15
15
10

ISS Passover

Visibility (miles)

7
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

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Moderate Rain
Ice pellet
Ice pellet
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

85
95
95
95
95
95
95
90
62
36
51
61
61
66
72
76
80
82
72

Precipitation Amount (mm)

0.4
1.6
2.9
3.9
1.3
0.9
0.9
0.6
0.2
0
0.2
0.3
0.3
0.3
0.4
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

10
11
9
7
7
7
6
6
6
6
6
6
5
6
5
5
7
6
6

Chance of Frost

Temperature (°C)

22
22
21
19
18
17
17
16
15
15
15
16
17
18
19
20
21
22
22

Feels Like (°C)

23
23
22
22
22
21
21
20
17
17
17
17
18
18
21
21
22
22
23

Dew Point (°C)

21
21
20
19
17
17
16
15
15
15
14
15
16
17
17
16
16
16
17

Relative Humidity (%)

95
95
95
96
95
96
96
96
96
96
96
95
93
90
85
79
74
72
71

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1011
1011

Ozone (du)

310
310
309
308
308
310
313
315
315
315
315
318
321
325
323
322
321
321
321

Forecast for Domaine-Joyeux, Mont�r�gie, Canada (45.22,-73.09)

Generated: 18/07/25 19:01:29. Forecast: 18/07/25 to 24/07/25. Timezone: UTC-4.00