Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Gibbous 92%

18:31

No Set

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 19:35, Transit: 13:31. Moon - Rise: 18:31, Set: No Set. Civil Dark: 20:09 - 06:54. Nautical Dark: 20:48 - 06:14. Astro Dark: 21:30 - 05:33

Total Clouds (% Sky Obscured)

80
72
78
100
100
100
93
49
61
100
57
76
92
67
91
74
100
96
84
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
36
35
36
39
38
25
0
0
51
3
42
58
24
81
53
50
39
42
45
30
24
38
71

Medium Clouds (% Sky Obscured)

12
11
14
16
15
11
19
23
10
13
18
17
23
21
24
18
21
28
25
0
0
0
0
0

High Clouds (% Sky Obscured)

15
56
73
100
100
100
57
14
42
100
18
0
1
6
26
47
100
94
81
100
100
100
100
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
2
4
7
8
27
27
18
1
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
13
12
11
11
11
11
11
11
12
12
12
13
15
15
14
15
15
13
13
12
12
11
8

Relative Humidity (%)

92
92
92
93
92
86
78
71
64
62
61
59
63
70
71
76
89
90
85
83
86
87
86
75

Pressure (mb)

1026
1026
1026
1025
1025
1026
1026
1025
1024
1024
1024
1023
1023
1022
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

279
279
280
281
282
282
281
281
282
284
287
290
289
292
295
300
299
299
300
300
298
297
296
295

Thursday 24

Waxing Gibbous 96%

18:43

04:32

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:29, Set: 19:33, Transit: 13:31. Moon - Rise: 18:43, Set: 04:32. Civil Dark: 20:06 - 06:56. Nautical Dark: 20:46 - 06:16. Astro Dark: 21:27 - 05:34

Total Clouds (% Sky Obscured)

100
100
98
85
97
96
100
100
100
75
72
100
64
77
81
100
100
100
100
100
100
100
82
70

Low Clouds (% Sky Obscured)

69
64
70
44
30
32
32
37
53
41
19
19
7
12
2
0
0
0
0
0
0
0
7
10

Medium Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
4
4
6
4
8
1
10
1
2
0
5
5
4
4
0
0

High Clouds (% Sky Obscured)

100
100
94
68
91
87
100
100
100
47
46
100
39
56
56
100
100
100
100
100
100
100
67
58

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
6
6
6
7
8
8
7
7
7
7
7
7
8
8
8
7
7
7
6
6
6
6

Relative Humidity (%)

73
70
68
68
72
70
62
57
53
49
47
46
46
48
55
62
70
72
75
78
78
80
80
82

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

295
294
294
295
295
294
295
293
293
293
293
291
289
288
287
285
283
282
281
281
281
280
280
280

Friday 25

Waxing Gibbous 99%

18:54

05:50

04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad
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 Good
02 Good
03 Good

Sun - Rise: 07:31, Set: 19:30, Transit: 13:31. Moon - Rise: 18:54, Set: 05:50. Civil Dark: 20:04 - 06:57. Nautical Dark: 20:44 - 06:18. Astro Dark: 21:25 - 05:36

Total Clouds (% Sky Obscured)

57
50
64
65
43
30
67
52
60
1
1
1
1
0
0
0
0
0
0
0
6
0
2
2

Low Clouds (% Sky Obscured)

10
11
12
13
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)

43
36
46
35
29
30
67
52
60
1
1
1
0
0
0
0
0
0
0
0
6
0
1
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)

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

Chance of Frost

Temperature (°C)

8
8
8
7
7
9
12
15
17
18
20
20
21
21
20
18
15
13
12
12
11
10
10
10

Feels Like (°C)

6
7
7
5
5
8
11
14
17
18
19
20
20
20
21
18
15
13
12
11
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
82
82
73
62
54
47
42
38
36
35
36
47
50
53
54
56
56
56
57
58
58

Pressure (mb)

1024
1024
1024
1024
1024
1023
1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

279
279
279
278
277
277
277
278
277
277
277
277
277
278
280
282
283
284
284
285
286
287
288
289

Saturday 26

Full Moon 100%

19:05

07:09

04 Good
05 OK
06 OK
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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:32, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 07:09. Civil Dark: 20:02 - 06:59. Nautical Dark: 20:41 - 06:19. Astro Dark: 21:22 - 05:38

Total Clouds (% Sky Obscured)

2
23
41
96
99
99
62
83
85
66
80
96
91
74
88
100
93
96
96
93
91
88
90
91

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
2
2
1
0
0
0
0
10
18
25
26
32
45
68
81
83
85
88

Medium Clouds (% Sky Obscured)

0
11
18
24
24
23
29
64
35
34
34
34
32
28
61
78
56
62
61
73
28
7
7
7

High Clouds (% Sky Obscured)

1
23
35
92
96
96
46
51
75
53
68
83
73
53
61
74
69
72
85
75
57
29
47
44

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
1
2
0
1
0
0
1
2
1
2
2
1
2
2
2
2
5

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
4
4
5
4
4
5
5
6
7
7
7
7
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
8
7
9
10
14
15
16
18
17
16
16
17
16
14
14
13
13
13
12
12
12

Dew Point (°C)

1
1
2
2
3
3
2
2
1
1
1
1
2
4
8
13
14
14
13
12
11
10
9
9

Relative Humidity (%)

56
56
58
59
59
54
44
38
34
31
29
29
31
36
52
77
87
90
86
83
78
76
74
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

288
287
288
288
288
285
283
284
283
283
283
283
283
283
285
284
284
284
285
287
289
290
292
293

Sunday 27

Waning Gibbous 98%

19:18

08:30

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

Sun - Rise: 07:34, Set: 19:26, Transit: 13:30. Moon - Rise: 19:18, Set: 08:30. Civil Dark: 19:59 - 07:01. Nautical Dark: 20:39 - 06:21. Astro Dark: 21:20 - 05:40

Total Clouds (% Sky Obscured)

94
92
92
91
85
79
74
66
58
49
44
40
35
41
49
59
70
69
68
65
61
54
49
45

Low Clouds (% Sky Obscured)

91
90
89
86
79
72
62
56
47
40
37
34
31
25
33
35
45
50
50
41
27
13
9
6

Medium Clouds (% Sky Obscured)

6
5
5
9
54
46
9
8
7
6
6
40
35
15
11
16
8
8
9
15
22
28
22
16

High Clouds (% Sky Obscured)

40
35
40
40
40
35
25
4
20
1
1
1
2
1
5
1
2
2
2
2
2
2
5
7

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 (%)

15
1
3
1
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
4
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
79
79
77
76
73
72
69
67
64
63
60
59
60
61
62
63
62
62
68
74
79
81

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

293
293
292
292
294
295
294
293
292
291
291
291
291
290
289
290
291
292
293
295
294
293
293
293

Monday 28

Waning Gibbous 93%

19:33

09:55

04 OK
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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:36, Set: 19:23, Transit: 13:30. Moon - Rise: 19:33, Set: 09:55. Civil Dark: 19:57 - 07:02. Nautical Dark: 20:36 - 06:23. Astro Dark: 21:17 - 05:42

Total Clouds (% Sky Obscured)

40
51
66
82
83
85
87
91
94
98
98
99
100
100
100
100
99
99
98
95
92
87
86
87

Low Clouds (% Sky Obscured)

3
5
6
9
12
18
22
25
26
29
26
27
25
30
34
39
53
66
84
82
78
77
74
68

Medium Clouds (% Sky Obscured)

10
19
32
45
36
28
23
33
43
54
66
79
92
93
93
94
82
73
64
63
64
63
66
67

High Clouds (% Sky Obscured)

10
27
42
53
60
70
77
83
89
95
95
94
91
93
96
100
97
93
91
85
75
63
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
11
10
3
12
18
25
42
47
52
42
28
5
8
9
7
17
17
0
1
3
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
13
15
16
17
18
19
19
19
19
19
18
17
16
16
16
15
15
15
15

Feels Like (°C)

13
14
14
13
14
12
12
12
13
13
13
19
19
18
19
19
19
15
15
15
15
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
86
86
79
71
65
60
54
50
49
50
50
54
60
64
66
67
68
68
67
64
66

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

293
293
293
293
293
292
292
291
291
291
291
292
292
292
293
293
293
293
294
294
294
295
295
296

Tuesday 29

Waning Gibbous 91%

19:53

11:23

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

Sun - Rise: 07:37, Set: 19:21, Transit: 13:29. Moon - Rise: 19:53, Set: 11:23. Civil Dark: 19:54 - 07:04. Nautical Dark: 20:34 - 06:24. Astro Dark: 21:14 - 05:44

Total Clouds (% Sky Obscured)

88
80
73
65
62
55
52
53
45
42
30
21
14
14
14
12
17
19
25
25
25
25

Low Clouds (% Sky Obscured)

59
44
28
13
10
8
6
5
4
2
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

70
63
58
52
35
25
16
21
28
36
29
21
12
14
14
12
17
19
25
25
25
25

High Clouds (% Sky Obscured)

64
56
51
45
45
40
40
33
24
15
11
6
2
2
2
1
2
2
2
7
11
16

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
1
3
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
16
18
20
22
24
25
26
27
27
26
24
22
21
21
20
19
18

Feels Like (°C)

13
13
13
14
14
13
14
15
15
16
17
26
26
25
26
26
27
21
21
22
22
21

Dew Point (°C)

8
8
8
9
9
10
11
12
12
13
13
14
14
14
15
15
15
15
14
13
13
13

Relative Humidity (%)

64
64
67
69
73
67
63
59
54
50
45
46
45
45
50
57
63
65
65
67
69
69

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

297
298
298
298
298
296
294
293
292
291
290
290
290
290
290
290
291
290
290
289
289
289

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 23/09/26 04:16:29. Forecast: 23/09/26 to 29/09/26. Timezone: UTC+2.00