Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

04:02

17:49

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

Sun - Rise: 06:37, Set: 18:56, Transit: 12:46. Moon - Rise: 04:02, Set: 17:49. Civil Dark: 19:25 - 06:07. Nautical Dark: 20:00 - 05:33. Astro Dark: 20:36 - 04:57

Total Clouds (% Sky Obscured)

54
75
21
15
11
49
68
37
47
78
58
90
88
90
92
88
92
95
92
91
75
41
25
21

Low Clouds (% Sky Obscured)

0
0
0
14
11
17
15
0
30
10
38
63
67
79
85
79
84
87
84
79
70
24
22
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
19
28
36
39
21
38
39
39
37
38
54
38
32
19
0
0
0
0

High Clouds (% Sky Obscured)

54
7
2
7
2
21
40
14
1
1
0
0
0
0
0
0
0
3
4
6
3
4
3
4

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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
20
50
10
4
11
21
5
2
2
1
0
0
0
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
6
8
9
9
9
9
10
9
6
4
4
4
4
6
10
8
6
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

18
20
22
23
25
26
26
26
26
24
20
18
18
17
17
16
15
14
13
13
12
12
10
11

Feels Like (°C)

16
17
21
22
23
24
23
22
24
23
19
19
19
17
15
14
13
12
11
11
11
10
8
10

Dew Point (°C)

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

Relative Humidity (%)

64
54
45
41
38
38
37
36
38
55
86
85
88
86
83
82
82
80
83
81
77
73
76
75

Pressure (mb)

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

Ozone (du)

288
287
287
290
290
289
290
291
291
289
288
290
289
287
286
285
284
283
282
281
283
285
287
289

Friday 19

Waning Crescent 5%

05:13

18:09

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

Sun - Rise: 06:38, Set: 18:54, Transit: 12:45. Moon - Rise: 05:13, Set: 18:09. Civil Dark: 19:23 - 06:09. Nautical Dark: 19:58 - 05:34. Astro Dark: 20:34 - 04:58

Total Clouds (% Sky Obscured)

23
23
27
23
28
20
18
17
18
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

23
23
27
23
28
20
18
17
18
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

4
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
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
7
7
7
8
8
8
8
7
4
4
5
6
6
7
6
5
3
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

13
14
15
16
17
18
18
18
18
17
13
11
9
9
8
7
5
4
3
2
2
2
2
4

Feels Like (°C)

12
13
14
15
15
16
16
16
16
16
12
9
7
7
7
5
4
3
2
1
-0
-0
0
3

Dew Point (°C)

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

Relative Humidity (%)

63
52
47
43
39
35
33
32
32
40
42
43
49
53
53
54
56
57
59
62
63
65
65
54

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1020
1021
1022
1023
1024
1025
1026
1026
1027
1027
1027
1028
1029

Ozone (du)

289
287
287
286
285
284
284
285
283
282
280
279
279
280
283
285
285
283
281
281
282
281
279
279

Saturday 20

Waning Crescent 1%

06:21

18:26

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

Sun - Rise: 06:39, Set: 18:52, Transit: 12:45. Moon - Rise: 06:21, Set: 18:26. Civil Dark: 19:21 - 06:10. Nautical Dark: 19:56 - 05:35. Astro Dark: 20:31 - 05:00

Total Clouds (% Sky Obscured)

0
0
5
2
2
4
2
0
0
1
1
0
0
2
1
3
19
41
18
7
3
3
3
3

Low Clouds (% Sky Obscured)

0
0
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
2
4
2
0
0
0
1
0
0
2
1
3
19
37
14
6
3
2
2
1

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)

3
4
4
5
5
5
4
4
4
3
3
4
5
5
4
4
4
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

8
10
11
13
14
14
15
15
15
13
11
9
7
6
6
5
4
4
3
2
1
2
3
4

Feels Like (°C)

6
8
10
11
12
13
13
13
13
12
9
7
5
5
5
4
3
2
1
0
0
1
2
3

Dew Point (°C)

-3
-3
-3
-3
-4
-4
-5
-5
-5
-0
0
-1
-2
-3
-3
-3
-3
-4
-4
-5
-5
-4
-3
-4

Relative Humidity (%)

47
42
37
33
30
28
26
25
26
39
48
51
51
52
54
56
58
59
61
62
64
65
65
53

Pressure (mb)

1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

279
279
278
278
279
280
280
280
280
280
282
281
281
281
280
280
279
279
279
280
281
280
280
281

Sunday 21

New Moon 0%

07:27

18:42

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

Sun - Rise: 06:40, Set: 18:50, Transit: 12:45. Moon - Rise: 07:27, Set: 18:42. Civil Dark: 19:19 - 06:11. Nautical Dark: 19:54 - 05:37. Astro Dark: 20:29 - 05:01

Total Clouds (% Sky Obscured)

7
40
29
74
100
100
100
100
87
18
65
27
8
23
65
65
24
46
12
18
70
30
36
53

Low 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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
5
29
67
100
100
100
100
68
18
5
2
1
2
6
12
5
9
7
10
20
30
36
35

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)

3
3
4
5
6
6
6
6
5
4
4
5
5
6
6
6
5
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

9
13
16
18
19
21
21
21
21
18
15
13
13
12
12
12
12
12
12
12
11
11
11
13

Feels Like (°C)

8
11
14
16
16
17
18
18
18
16
14
11
10
11
10
9
9
10
9
10
9
8
8
11

Dew Point (°C)

-4
-2
-1
-1
1
2
2
3
5
7
6
5
4
3
3
5
5
6
6
6
6
6
6
6

Relative Humidity (%)

42
36
31
29
28
28
28
30
36
47
53
55
55
54
54
61
64
67
66
67
70
72
71
64

Pressure (mb)

1027
1027
1027
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019

Ozone (du)

280
280
280
281
280
281
282
282
283
283
280
280
280
279
279
279
280
280
279
280
279
280
279
278

Monday 22

Waxing Crescent 1%

08:33

18:58

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:42, Set: 18:48, Transit: 12:44. Moon - Rise: 08:33, Set: 18:58. Civil Dark: 19:17 - 06:12. Nautical Dark: 19:52 - 05:38. Astro Dark: 20:27 - 05:03

Total Clouds (% Sky Obscured)

78
76
83
91
77
61
98
69
97
99
96
94
92
90
95
95
95
91
94
100
97
94
91
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
49
70
70
68
64
56
70
76
87
82
81
76
72
65
66
59

Medium Clouds (% Sky Obscured)

2
2
49
47
37
27
73
43
9
50
48
41
37
34
46
61
80
86
90
94
73
53
35
37

High Clouds (% Sky Obscured)

34
32
42
48
39
48
55
67
87
85
65
66
65
63
71
73
74
60
50
40
38
40
41
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
8
15
22
26
30
47
52
44
53
55
54
49
42
31
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
11
11
11
11
10
10
8
8
6
7
7
7
7
7
7
8
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
15
17
18
20
20
20
21
20
19
19
18
18
18
18
18
18
16
17
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

52
46
42
40
39
39
39
42
42
45
47
55
57
60
62
70
76
85
89
90
95
95
93
93

Pressure (mb)

1019
1018
1018
1017
1016
1015
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

277
277
277
276
277
277
277
276
275
275
274
274
273
273
272
271
271
271
271
271
271
272
273
273

Tuesday 23

Waxing Crescent 4%

No Rise

19:15

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:43, Set: 18:46, Transit: 12:44. Moon - Rise: No Rise, Set: 19:15. Civil Dark: 19:15 - 06:13. Nautical Dark: 19:50 - 05:39. Astro Dark: 20:25 - 05:04

Total Clouds (% Sky Obscured)

97
100
92
81
62
63
68
74
74
76
78
82
77
69
77
86
95
96
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

56
58
54
49
44
48
53
57
61
62
62
60
59
57
67
75
83
86
89
92
84
75
65
66

Medium Clouds (% Sky Obscured)

40
47
33
24
16
29
42
55
52
50
49
41
30
17
25
36
48
59
70
80
85
87
87
76

High Clouds (% Sky Obscured)

17
5
5
5
5
22
37
45
40
19
12
9
10
6
6
8
13
32
38
44
51
50
49
25

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
7
5
3

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

Precipitation Probability (%)

26
24
28
29
27
36
46
55
65
72
78
70
63
54
49
41
26
25
30
37
37
43
52
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.5
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
20
21
22
22
22
22
21
20
19
18
18
18
18
17
17
17
17
17
17
17
18

Feels Like (°C)

18
18
18
18
19
18
23
23
23
23
24
24
19
19
19
19
19
18
18
18
18
17
18
18

Dew Point (°C)

17
17
17
18
18
18
18
18
17
17
17
18
17
17
17
17
16
16
16
16
16
16
16
17

Relative Humidity (%)

93
92
92
88
84
79
76
74
72
79
85
93
93
93
93
93
92
92
92
92
92
92
93
93

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1017
1017

Ozone (du)

272
271
270
269
268
268
268
268
268
268
269
270
270
270
270
271
271
272
273
273
274
274
274
275

Wednesday 24

Waxing Crescent 8%

09:39

19:34

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: 06:44, Set: 18:44, Transit: 12:43. Moon - Rise: 09:39, Set: 19:34. Civil Dark: 19:13 - 06:15. Nautical Dark: 19:48 - 05:40. Astro Dark: 20:23 - 05:05

Total Clouds (% Sky Obscured)

99
99
99
97
97
98
96
94
88
81
71
78
85
96
87
78
69

Low Clouds (% Sky Obscured)

66
67
65
62
60
53
43
33
41
47
54
61
61
64
58
54
52

Medium Clouds (% Sky Obscured)

71
64
65
75
83
82
79
75
48
25
1
1
0
0
5
8
5

High Clouds (% Sky Obscured)

25
40
37
69
63
44
25
5
2
1
0
1
2
7
10
13
15

ISS Passover

Visibility (miles)

3
3
4
4
4
4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

67
70
64
57
47
45
40
38
39
31
13
15
13
2
8
8
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
6
5
5
5
5
5
5
4
4
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
20
20
20
21
24
24
23
23
23
23
20
20
19
19
19

Dew Point (°C)

17
17
17
18
18
19
19
19
19
18
18
18
17
16
16
15
15

Relative Humidity (%)

92
89
88
86
84
83
81
81
79
83
88
92
90
89
88
89
89

Pressure (mb)

1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

275
275
275
275
275
275
275
274
274
274
273
273
273
272
272
270
269

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 18/09/25 09:22:00. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00