Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 1%

06:04

19:43

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

Sun - Rise: 07:08, Set: 20:05, Transit: 13:37. Moon - Rise: 06:04, Set: 19:43. Civil Dark: 20:38 - 06:35. Nautical Dark: 21:19 - 05:55. Astro Dark: 22:01 - 05:12

Total Clouds (% Sky Obscured)

27
32
89
98
84
66
100
87
44
23
23
14
14
16
37
16
37
37
16
16
81
49
49
48

Low Clouds (% Sky Obscured)

24
28
46
39
45
50
71
67
67
62
70
71
54
68
71
72
35
23
31
46
80
34
23
20

Medium Clouds (% Sky Obscured)

0
0
25
24
25
25
21
0
0
0
0
0
0
46
60
56
52
42
42
24
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
20
29
33
33

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

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

Chance of Frost

Temperature (°C)

11
11
12
12
11
11
12
11
11
13
16
17
18
19
20
19
20
21
20
19
18
15
15
13

Feels Like (°C)

12
12
12
11
11
12
11
11
11
14
17
18
19
20
19
20
20
20
21
20
18
16
13
11

Dew Point (°C)

11
10
10
11
11
11
11
11
11
11
12
12
12
11
9
9
9
9
9
10
11
8
8
6

Relative Humidity (%)

96
97
87
90
96
95
93
94
98
88
80
75
65
58
51
52
50
46
47
57
61
60
63
63

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

340
339
335
332
331
329
330
332
332
330
329
329
328
326
323
322
320
318
318
318
317
316
315
314

Friday 11

New Moon 0%

07:26

19:56

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
19 Bad
20 Bad
21 Bad
22 OK
23 OK

Sun - Rise: 07:10, Set: 20:03, Transit: 13:36. Moon - Rise: 07:26, Set: 19:56. Civil Dark: 20:36 - 06:37. Nautical Dark: 21:16 - 05:57. Astro Dark: 21:59 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
91
99
99
99
100
92
83
66
81
95
83
76
84
63
92
66
37
29

Low Clouds (% Sky Obscured)

22
22
22
17
26
1
25
26
84
96
100
87
76
62
81
89
54
40
26
14
12
13
10
15

Medium Clouds (% Sky Obscured)

0
0
0
32
43
87
87
99
65
85
100
37
21
8
1
16
31
21
17
12
17
16
16
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
57
13
0
0
0
0
0
0
0
39
39
31
84
63
92
66
5
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
8
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
3
29
29
33
18
12
5
11
42
56
57
56
35
17
1
4
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
4
5
5
6
7
9
9
11
11
12
12
10
9
8
6
5
3
3
2

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
13
14
14
16
17
18
19
20
21
20
20
18
17
16
15

Feels Like (°C)

10
9
10
10
9
9
9
9
10
10
11
11
13
14
17
17
18
20
20
20
19
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

63
65
67
68
68
67
67
67
69
70
68
63
59
64
62
59
72
71
75
78
81
83
86
87

Pressure (mb)

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

Ozone (du)

313
312
312
311
311
312
315
315
317
317
317
319
318
317
315
313
312
312
314
317
317
317
318
318

Saturday 12

Waxing Crescent 2%

08:46

20:09

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

Sun - Rise: 07:11, Set: 20:01, Transit: 13:36. Moon - Rise: 08:46, Set: 20:09. Civil Dark: 20:34 - 06:38. Nautical Dark: 21:14 - 05:58. Astro Dark: 21:56 - 05:16

Total Clouds (% Sky Obscured)

40
34
47
60
60
100
70
100
100
87
87
82
93
97
99
72
54
60
58
48
39
41
74
85

Low Clouds (% Sky Obscured)

19
25
30
32
45
45
48
47
90
84
24
35
26
33
30
24
28
13
2
0
0
13
29
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
4
1
4
4
7
25
22
19
23
15
29
32

High Clouds (% Sky Obscured)

6
0
1
9
0
44
30
56
47
17
70
42
78
88
99
72
36
60
58
48
14
5
34
59

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
8
100
99
100
79
65
41
15
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
1
2
2
3
3
3
3
4
4
6
7
8
9
10
10
9
9
8
6
5
6
6
6

Chance of Frost

Temperature (°C)

15
14
13
13
13
12
12
12
12
13
15
17
19
20
21
22
23
23
22
21
20
18
17
17

Feels Like (°C)

17
16
16
15
13
13
11
12
11
12
13
16
18
18
19
20
22
22
22
22
20
18
17
15

Dew Point (°C)

13
12
12
11
11
11
10
11
10
11
11
12
12
11
11
10
10
9
10
12
11
10
11
10

Relative Humidity (%)

87
89
89
90
90
90
90
92
89
86
79
70
61
54
50
46
43
42
45
53
57
60
64
65

Pressure (mb)

1023
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

314
314
312
311
310
307
305
304
301
300
298
296
294
292
291
290
291
292
293
294
294
296
298
298

Sunday 13

Waxing Crescent 7%

10:04

20:23

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 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:13, Set: 19:58, Transit: 13:36. Moon - Rise: 10:04, Set: 20:23. Civil Dark: 20:31 - 06:40. Nautical Dark: 21:11 - 06:00. Astro Dark: 21:53 - 05:18

Total Clouds (% Sky Obscured)

100
99
99
97
100
100
100
100
99
97
100
100
82
85
86
91
94
70
35
35
43
71
98
98

Low Clouds (% Sky Obscured)

69
78
75
82
78
86
88
100
93
77
79
76
73
70
62
58
51
45
33
31
38
43
44
32

Medium Clouds (% Sky Obscured)

48
96
97
66
84
98
100
91
92
94
95
89
16
24
21
19
15
11
5
0
0
0
0
0

High Clouds (% Sky Obscured)

100
51
21
55
96
100
100
100
89
35
96
100
14
0
12
25
40
36
18
7
26
58
92
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
6
9
9
9
7
9
9
9
9
7
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
Very Light Rain
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
12
29
52
26
54
57
72
82
17
18
34
30
29
20
21
19
22
17
9
6
2
1
1

Precipitation Amount (mm)

0
0
0
0.3
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
8
9
10
10
11
12
12
12
14
13
13
13
13
12
12
9
8
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
10
11
11
11
13
15
15
15
16
17
18
19
21
20
20
18
15
15
16
15
15
14

Relative Humidity (%)

68
68
66
67
67
68
78
89
87
92
88
85
89
92
94
89
89
79
69
71
84
88
90
89

Pressure (mb)

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

Ozone (du)

298
296
295
295
295
295
293
293
292
295
298
302
304
305
305
306
304
300
299
298
296
295
294
295

Monday 14

Waxing Crescent 13%

11:21

20:39

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 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:15, Set: 19:56, Transit: 13:35. Moon - Rise: 11:21, Set: 20:39. Civil Dark: 20:29 - 06:42. Nautical Dark: 21:09 - 06:02. Astro Dark: 21:51 - 05:20

Total Clouds (% Sky Obscured)

97
97
91
87
81
83
88
89
76
60
57
60
58
53
48
48
43
47
38
25
15
10
6
15

Low Clouds (% Sky Obscured)

28
30
40
38
46
49
56
59
48
33
34
47
48
41
36
33
30
34
29
19
14
7
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
5
4
4
53
34
10
13
8
6
3
4
3
3
7
4
7
1
2
3
4

High Clouds (% Sky Obscured)

92
91
77
66
58
62
68
61
42
21
8
6
4
4
0
2
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 (%)

1
0
0
0
0
0
0
0
0
0
3
9
2
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
4
4
4
3
3
4
4
4
5
4
4
4
5
5
4
3
2
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
13
12
12
12
12
12
14
18
19
20
21
23
24
23
24
23
22
21
20
18
17

Dew Point (°C)

14
13
13
13
12
12
11
12
12
13
14
14
13
13
13
12
12
12
11
13
14
13
13
12

Relative Humidity (%)

92
90
92
93
93
95
93
96
95
90
85
77
68
60
55
52
50
50
51
62
69
73
76
77

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022
1023
1022
1022

Ozone (du)

295
295
294
292
291
290
289
288
287
285
283
282
281
281
280
280
280
281
282
283
283
284
285
286

Tuesday 15

Waxing Crescent 21%

12:38

20:59

00 OK
01 OK
02 OK
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 Good
20 Good
21 OK
22 Good
23 OK

Sun - Rise: 07:16, Set: 19:54, Transit: 13:35. Moon - Rise: 12:38, Set: 20:59. Civil Dark: 20:27 - 06:43. Nautical Dark: 21:06 - 06:04. Astro Dark: 21:48 - 05:22

Total Clouds (% Sky Obscured)

23
35
46
53
60
66
63
63
76
80
85
88
92
94
93
92
89
57
28
0
6
13
16
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
30
32
35
27
21
18
22
26
25
13
8
0
6
13
16
26

Medium Clouds (% Sky Obscured)

7
10
10
10
13
24
27
28
24
24
31
43
58
70
56
42
29
19
10
0
1
2
2
12

High Clouds (% Sky Obscured)

0
0
23
50
60
66
63
63
44
66
83
88
92
94
75
54
33
23
13
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
14
23
28
32
33
32
37
40
39
35
28
10
9
6
1
7

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
15
15
15
19
19
20
21
21
21
20
20
19
18
18
17
16
15
14

Feels Like (°C)

17
16
15
15
15
15
15
16
16
18
16
16
16
16
16
20
18
16
18
19
20
15
15
15

Dew Point (°C)

12
11
11
11
12
12
12
12
12
13
12
10
9
8
7
5
4
3
4
5
6
6
5
5

Relative Humidity (%)

78
78
79
79
82
82
83
83
80
71
61
53
48
43
38
37
35
34
38
43
48
49
51
51

Pressure (mb)

1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

287
287
288
287
286
285
288
287
284
283
283
283
282
281
280
279
279
278
282
285
288
290
292
294

Wednesday 16

Waxing Crescent 30%

13:52

21:25

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

Sun - Rise: 07:18, Set: 19:52, Transit: 13:35. Moon - Rise: 13:52, Set: 21:25. Civil Dark: 20:25 - 06:45. Nautical Dark: 21:04 - 06:05. Astro Dark: 21:45 - 05:24

Total Clouds (% Sky Obscured)

37
47
59
71
81
79
78
78
71
67
59
60
58
53
53
59
67
68
69
69
58
48
41
56

Low Clouds (% Sky Obscured)

35
44
56
68
77
72
69
68
55
40
18
15
18
24
35
47
57
49
41
34
31
27
23
48

Medium Clouds (% Sky Obscured)

22
28
25
25
26
22
16
12
20
27
36
28
21
14
20
26
34
44
51
60
44
25
5
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
3
6
9
6
2
0
0

ISS Passover

Visibility (miles)

9
9
8
7
7
6
7
8
9
9
9
9
7
5
3
3
3
3
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

16
23
27
29
28
35
45
49
54
56
55
64
67
67
72
73
70
63
56
45
41
34
6
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
13
13
14
15
16
16
17
17
17
17
17
16
15
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

7
10
12
12
12
12
12
12
12
11
10
10
9
9
9
10
11
12
12
12
12
11
11
10

Relative Humidity (%)

62
75
90
90
90
90
90
92
93
82
73
65
63
62
60
64
68
73
78
83
89
89
90
90

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

294
295
296
298
301
303
307
311
314
315
315
316
315
314
313
313
314
314
315
316
317
316
316
316

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 10/09/26 21:01:28. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+2.00