Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 5%

03:53

17:42

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

Sun - Rise: 06:29, Set: 18:48, Transit: 12:37. Moon - Rise: 03:53, Set: 17:42. Civil Dark: 19:18 - 05:59. Nautical Dark: 19:53 - 05:24. Astro Dark: 20:29 - 04:48

Total Clouds (% Sky Obscured)

36
68
73
46
58
96
93
96
98
95
95
72
60
32
38
37
32
26
33
35
32
29
30
16

Low Clouds (% Sky Obscured)

36
40
34
35
56
86
84
88
95
91
92
65
60
23
23
26
21
17
26
28
26
27
27
16

Medium Clouds (% Sky Obscured)

36
66
31
23
36
46
40
42
40
6
13
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
60
42
4
0
0
0
0
0
0
0
4
4
3
3
3
3
4
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
10
3
21
23
6
4
14
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

24
23
21
17
16
15
15
14
13
13
12
11
10
9
8
7
9
10
12
13
14
14
14
14

Feels Like (°C)

23
23
20
17
16
17
14
13
12
11
10
9
9
7
7
7
8
9
10
10
11
11
11
11

Dew Point (°C)

13
14
14
12
13
15
14
13
12
11
10
9
9
7
7
6
5
4
3
3
2
1
1
0

Relative Humidity (%)

49
55
61
72
82
96
93
92
93
92
89
88
93
84
94
94
78
65
54
49
45
41
39
38

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

287
288
286
287
290
291
289
287
286
285
284
284
286
287
286
288
288
287
288
287
287
285
284
286

Friday 19

Waning Crescent 1%

05:04

18:02

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
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 06:30, Set: 18:46, Transit: 12:37. Moon - Rise: 05:04, Set: 18:02. Civil Dark: 19:16 - 06:00. Nautical Dark: 19:51 - 05:25. Astro Dark: 20:27 - 04:49

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
5
5
3
0
0
0
0
0
0
0
0

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
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
3
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)

12
11
9
6
5
4
4
5
4
3
2
2
3
3
3
3
4
7
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

14
13
12
9
7
7
6
5
4
3
1
1
-0
-1
-1
-1
3
6
7
9
11
12
12
13

Feels Like (°C)

10
10
9
8
6
6
5
4
3
2
1
0
-1
-1
-2
-1
2
3
5
6
8
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

37
40
45
54
62
64
66
70
73
72
71
73
72
74
77
75
60
51
44
38
35
33
32
33

Pressure (mb)

1016
1017
1018
1019
1020
1021
1022
1023
1023
1024
1025
1026
1026
1027
1027
1028
1028
1028
1028
1027
1027
1026
1026
1026

Ozone (du)

287
288
287
285
286
289
291
292
292
291
291
291
291
290
289
289
288
288
289
290
289
286
285
283

Saturday 20

Waning Crescent 0%

06:12

18:18

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
09 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad
15 OK

Sun - Rise: 06:31, Set: 18:44, Transit: 12:37. Moon - Rise: 06:12, Set: 18:18. Civil Dark: 19:14 - 06:01. Nautical Dark: 19:49 - 05:26. Astro Dark: 20:25 - 04:51

Total Clouds (% Sky Obscured)

0
0
0
0
0
3
3
0
0
3
2
17
4
0
6
3
4
4
5
26
47
63
49
46

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
6
12

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
0
2
2
17
2
0
2
3
4
4
5
19
40
48
48
46

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
3
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)

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

Chance of Frost

Temperature (°C)

13
12
10
6
5
4
4
3
2
1
1
1
1
1
1
1
5
9
12
15
16
18
19
19

Feels Like (°C)

10
10
9
6
5
4
3
2
2
1
0
0
0
-0
-0
1
5
8
12
14
15
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

34
38
50
64
66
67
68
68
69
69
70
70
71
71
71
70
57
45
37
30
25
23
22
22

Pressure (mb)

1025
1026
1026
1027
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1028
1028
1027
1026
1025
1024
1023

Ozone (du)

281
280
279
279
279
280
281
281
281
280
279
279
279
279
280
280
281
281
280
279
279
279
279
279

Sunday 21

New Moon 1%

07:19

18:34

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

Sun - Rise: 06:32, Set: 18:42, Transit: 12:36. Moon - Rise: 07:19, Set: 18:34. Civil Dark: 19:12 - 06:03. Nautical Dark: 19:47 - 05:28. Astro Dark: 20:22 - 04:52

Total Clouds (% Sky Obscured)

92
80
67
87
28
12
4
9
74
85
64
12
5
58
7
74
43
48
74
43
77
73
83
94

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
5
7

Medium Clouds (% Sky Obscured)

16
11
5
0
0
0
0
6
12
19
13
7
0
0
0
0
14
30
45
43
43
39
38
44

High Clouds (% Sky Obscured)

90
80
67
87
28
12
1
7
23
35
26
11
5
13
2
20
24
41
62
43
38
27
42
57

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
1
2
2
2
1
0
7
13

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)

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

Chance of Frost

Temperature (°C)

19
18
14
11
9
9
8
8
7
7
7
7
7
7
7
8
11
14
17
19
21
22
22
22

Feels Like (°C)

17
16
13
10
7
8
7
7
6
5
4
5
6
7
6
8
9
14
16
18
20
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

25
39
53
56
57
60
62
62
64
66
67
74
79
85
87
88
74
60
50
43
38
33
30
32

Pressure (mb)

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

Ozone (du)

279
279
277
277
279
279
277
277
277
276
277
276
278
278
278
277
276
276
276
276
276
275
274
274

Monday 22

Waxing Crescent 4%

08:25

18:50

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:34, Set: 18:40, Transit: 12:36. Moon - Rise: 08:25, Set: 18:50. Civil Dark: 19:10 - 06:04. Nautical Dark: 19:45 - 05:29. Astro Dark: 20:20 - 04:53

Total Clouds (% Sky Obscured)

100
32
43
97
98
98
99
99
99
99
56
65
79
81
89
98
100
99
100
100
100
100
93
87

Low Clouds (% Sky Obscured)

12
10
29
37
42
48
51
54
94
97
56
60
45
63
80
93
88
90
95
95
95
95
87
80

Medium Clouds (% Sky Obscured)

45
32
36
33
38
32
98
98
98
97
56
65
79
74
70
60
43
23
5
8
19
30
31
33

High Clouds (% Sky Obscured)

72
32
37
39
31
23
15
39
56
78
20
21
26
24
23
16
29
36
43
61
83
98
75
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
6
4
3
2
1
4
6
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
30
41
51
50
53
59
72
79
79
44
53
55
58
54
49
42
34
29
31
32
34
42
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
17
15
14
14
14
14
14
15
15
14
14
13
13
14
14
15
15
15
16
16
17
17

Feels Like (°C)

19
17
18
14
12
11
11
11
12
13
13
13
12
12
12
12
12
13
14
14
14
14
14
17

Dew Point (°C)

6
7
8
7
6
6
6
6
5
5
6
8
10
12
13
14
14
15
15
15
15
15
16
16

Relative Humidity (%)

37
42
54
58
57
58
59
58
54
52
54
66
79
96
96
98
98
98
96
98
96
95
93
90

Pressure (mb)

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

Ozone (du)

273
273
272
272
272
274
274
274
273
273
273
274
276
277
279
281
283
281
280
279
278
278
277
277

Tuesday 23

Waxing Crescent 8%

09:32

19:06

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:35, Set: 18:38, Transit: 12:35. Moon - Rise: 09:32, Set: 19:06. Civil Dark: 19:08 - 06:05. Nautical Dark: 19:43 - 05:30. Astro Dark: 20:18 - 04:55

Total Clouds (% Sky Obscured)

81
87
92
97
96
92
89
84
78
73
54
33
6
10
15
20
53
73
89
91
93
95
85
77

Low Clouds (% Sky Obscured)

73
76
79
70
67
56
49
51
53
60
54
33
6
10
15
20
53
73
89
91
91
91
82
71

Medium Clouds (% Sky Obscured)

29
35
43
52
50
47
45
42
42
41
35
30
6
10
15
20
24
22
18
14
7
0
0
0

High Clouds (% Sky Obscured)

17
43
70
88
81
78
79
72
59
39
29
18
6
3
1
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

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

Precipitation Probability (%)

58
59
64
76
72
67
63
69
72
71
57
46
45
41
38
37
25
13
0
4
7
5
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
86
90
93
93
93
93
93
95
96
96
98
98
96
96
95
90
84
79
75
70
68
65

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

277
277
278
279
280
283
285
287
291
295
298
294
291
287
285
282
280
280
279
279
279
279
279
279

Wednesday 24

Waxing Crescent 14%

10:39

19:25

16 Bad
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 OK
07 Bad

Sun - Rise: 06:36, Set: 18:36, Transit: 12:35. Moon - Rise: 10:39, Set: 19:25. Civil Dark: 19:06 - 06:06. Nautical Dark: 19:41 - 05:32. Astro Dark: 20:16 - 04:56

Total Clouds (% Sky Obscured)

68
46
23
0
0
0
0
0
1
0
1
2
2
12
28
55

Low Clouds (% Sky Obscured)

58
37
18
0
0
0
0
0
1
0
1
2
2
12
28
42

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
2
2
12
28
55

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
3
2
2
3
3
3
3
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

17
17
15
13
10
10
10
9
9
9
8
9
9
9
10
11

Feels Like (°C)

16
16
16
16
16
11
11
12
11
11
11
10
10
10
10
10

Dew Point (°C)

10
10
9
9
9
9
9
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

64
62
70
80
91
93
93
93
95
95
95
96
96
96
93
91

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

278
278
280
281
283
281
279
277
275
273
271
270
268
267
267
266

Forecast for Saint-Romain, Estrie, Canada (45.79,-71.09)

Generated: 18/09/25 15:58:51. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00