Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 82%

18:29

02:50

15 OK
16 Bad
17 Bad
18 OK
19 OK
20 Bad
21 OK
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

Sun - Rise: 07:37, Set: 19:37, Transit: 13:36. Moon - Rise: 18:29, Set: 02:50. Civil Dark: 20:09 - 07:05. Nautical Dark: 20:48 - 06:26. Astro Dark: 21:28 - 05:46

Total Clouds (% Sky Obscured)

45
64
66
35
30
53
38
53
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
97

Low Clouds (% Sky Obscured)

74
67
51
20
25
35
27
14
0
16
14
15
4
7
8
16
4
9
4
0
1
0
0
1

Medium Clouds (% Sky Obscured)

30
22
20
23
0
0
0
0
0
0
0
2
18
9
0
45
6
20
52
52
75
78
80
90

High Clouds (% Sky Obscured)

0
0
0
2
4
18
14
43
100
99
100
100
100
100
100
100
100
100
100
100
100
100
94
87

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

Chance of Frost

Temperature (°C)

21
21
21
21
20
18
17
16
16
15
15
15
15
15
15
14
14
14
15
17
18
19
21
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
48
50
53
60
67
71
74
77
79
80
78
74
69
69
68
68
65
61
56
49
47
43
41

Pressure (mb)

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

Ozone (du)

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

Tuesday 26

Waxing Gibbous 91%

18:53

04:23

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

Sun - Rise: 07:39, Set: 19:34, Transit: 13:36. Moon - Rise: 18:53, Set: 04:23. Civil Dark: 20:07 - 07:06. Nautical Dark: 20:46 - 06:28. Astro Dark: 21:26 - 05:48

Total Clouds (% Sky Obscured)

98
100
100
95
100
100
50
52
100
30
48
90
100
100
98
99
100
94
91
100
92
98
94
94

Low Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
0
3
0
49
33
39
27
18
15
14
15
20
13
11
8

Medium Clouds (% Sky Obscured)

71
0
17
0
32
43
40
39
32
8
8
12
61
56
62
67
100
72
57
28
60
69
87
72

High Clouds (% Sky Obscured)

91
100
100
96
100
100
0
11
100
30
60
93
100
100
91
96
100
81
74
100
76
92
81
61

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
10
10
10
10
11
11
11
11
11
11
10
10
9
8
8
8
9
9
9
9

Relative Humidity (%)

40
40
42
45
51
58
61
63
66
68
71
73
73
73
72
70
68
64
60
55
53
48
44
42

Pressure (mb)

1018
1018
1017
1017
1017
1018
1018
1019
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1017
1016

Ozone (du)

275
276
278
279
278
281
285
284
286
284
283
282
283
283
282
282
282
282
283
284
284
285
284
283

Wednesday 27

Waxing Gibbous 97%

19:10

05:55

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 07:41, Set: 19:32, Transit: 13:35. Moon - Rise: 19:10, Set: 05:55. Civil Dark: 20:05 - 07:08. Nautical Dark: 20:43 - 06:29. Astro Dark: 21:23 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
81
48
40
66
79
63
69
66
70
80
90
100
100
100
99
100

Low Clouds (% Sky Obscured)

15
10
3
0
0
0
0
0
25
0
24
40
36
20
26
28
30
32
37
42
41
41
36
39

Medium Clouds (% Sky Obscured)

69
82
80
100
90
100
100
100
78
47
22
0
0
0
0
0
0
0
0
0
9
17
26
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
3
0
3
39
65
61
60
48
50
67
83
100
100
100
99
100

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
1
0
0
0
0
0
1
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)

10
11
9
9
9
9
9
10
12
11
11
12
13
14
12
11
11
10
11
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
38
42
48
51
52
52
50
49
52
56
68
76
76
79
79
82
83
78
68
59
52
47
44

Pressure (mb)

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

Ozone (du)

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

Thursday 28

Waxing Gibbous 100%

19:25

07:25

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

Sun - Rise: 07:42, Set: 19:30, Transit: 13:35. Moon - Rise: 19:25, Set: 07:25. Civil Dark: 20:03 - 07:09. Nautical Dark: 20:41 - 06:31. Astro Dark: 21:21 - 05:51

Total Clouds (% Sky Obscured)

97
100
61
60
62
64
63
62
63
64
67
86
88
100
70
61
53
64
67
70
72
73
71
61

Low Clouds (% Sky Obscured)

42
43
42
42
39
28
13
0
10
20
27
51
59
78
44
32
24
31
33
31
31
31
34
30

Medium Clouds (% Sky Obscured)

22
16
25
35
40
38
38
31
33
34
35
34
34
33
25
13
3
3
0
0
4
8
12
10

High Clouds (% Sky Obscured)

96
100
45
25
8
17
25
34
28
22
18
31
51
67
55
40
26
38
52
59
69
70
71
55

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
1
7
15
19
22
15
8
6
11
16
15
26
29
24
20
13
4
8
9
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
5
4
5
6
8
10
11
12
14
14
14
14
13
13
10
8
5

Relative Humidity (%)

42
40
39
41
46
48
49
47
46
48
54
59
68
71
70
82
83
83
79
70
64
55
48
39

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1018
1019
1019
1020
1021
1021

Ozone (du)

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

Friday 29

Full Moon 100%

19:39

08:53

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

Sun - Rise: 07:44, Set: 19:28, Transit: 13:35. Moon - Rise: 19:39, Set: 08:53. Civil Dark: 20:00 - 07:11. Nautical Dark: 20:39 - 06:33. Astro Dark: 21:18 - 05:53

Total Clouds (% Sky Obscured)

48
34
42
49
58
61
62
67
52
47
52
53
55
56
56
56
56
69
83
97
88
78
69
74

Low Clouds (% Sky Obscured)

29
28
32
35
37
43
46
49
47
42
37
44
35
33
30
32
32
28
26
22
23
25
24
21

Medium Clouds (% Sky Obscured)

7
0
0
0
2
0
2
23
3
3
3
11
18
28
27
23
19
35
50
64
58
54
51
59

High Clouds (% Sky Obscured)

33
11
20
28
37
27
15
3
3
6
16
18
16
10
18
26
34
42
52
68
67
59
58
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
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 (%)

4
0
1
2
1
2
2
0
1
1
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)

13
12
10
8
6
5
4
4
4
3
3
2
3
3
3
3
3
3
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
33
37
41
49
59
67
70
71
72
74
75
75
75
76
76
76
76
66
60
55
47
42
37

Pressure (mb)

1022
1022
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027

Ozone (du)

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

Saturday 30

Waning Gibbous 96%

19:53

10:21

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:45, Set: 19:25, Transit: 13:34. Moon - Rise: 19:53, Set: 10:21. Civil Dark: 19:58 - 07:13. Nautical Dark: 20:37 - 06:34. Astro Dark: 21:16 - 05:55

Total Clouds (% Sky Obscured)

79
85
80
70
60
56
52
48
53
61
69
62
58
55
47
43
37
37
44
47
58
62
66
58

Low Clouds (% Sky Obscured)

24
23
18
10
3
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

69
75
59
38
16
12
9
6
9
12
15
12
10
9
13
17
21
15
8
2
2
2
2
1

High Clouds (% Sky Obscured)

59
59
55
50
44
45
44
43
50
61
77
70
86
90
80
67
56
60
61
66
67
68
73
66

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)

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

Chance of Frost

Temperature (°C)

20
20
20
19
17
16
15
15
14
14
13
13
12
12
11
11
11
11
13
16
19
20
22
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
34
33
37
42
47
49
51
53
55
56
58
60
61
63
66
71
76
71
66
62
57
52
48

Pressure (mb)

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

Ozone (du)

280
281
282
281
281
281
283
285
288
288
288
289
290
291
293
292
292
292
291
290
289
288
287
286

Sunday 1

Waning Gibbous 91%

20:10

11:48

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

Sun - Rise: 07:47, Set: 19:23, Transit: 13:34. Moon - Rise: 20:10, Set: 11:48. Civil Dark: 19:56 - 07:14. Nautical Dark: 20:34 - 06:36. Astro Dark: 21:14 - 05:57

Total Clouds (% Sky Obscured)

49
44
39
40
40
42
35
36
33
33
29
28
29
27
26
24
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
12

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
44
39
40
50
46
51
55
50
42
31
21
19
17
12
7
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
22
22
22
23
19
19
19
19
19
19
17
16
17
17
16

Dew Point (°C)

12
12
12
11
11
12
11
11
11
11
11
12
12
12
12
13
13

Relative Humidity (%)

46
45
44
47
52
57
57
59
60
63
66
70
72
73
77
79
82

Pressure (mb)

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

Ozone (du)

286
286
286
286
287
287
286
286
285
285
285
285
286
287
287
288
289

Forecast for Ghent, East Flanders, Kingdom of Belgium (51.05,3.72)

Generated: 25/09/23 15:26:56. Forecast: 25/09/23 to 01/10/23. Timezone: UTC+2.00