Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 3

Waning Gibbous 51%

22:19

16:28

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
16 Bad

Sun - Rise: 06:56, Set: 20:22, Transit: 13:38. Moon - Rise: 22:19, Set: 16:28. Civil Dark: 20:57 - 06:22. Nautical Dark: 21:40 - 05:39. Astro Dark: 22:27 - 04:52

Total Clouds (% Sky Obscured)

92
94
97
73
94
95
98
93
100
100
100
100
100
100
100
100
90
99
98
100
99
100
100
100

Low Clouds (% Sky Obscured)

76
16
26
50
53
49
50
79
88
89
84
86
69
78
95
95
77
89
84
81
87
83
78
37

Medium Clouds (% Sky Obscured)

9
45
12
19
16
7
13
7
6
5
5
13
28
20
22
27
24
42
47
32
48
100
100
100

High Clouds (% Sky Obscured)

86
94
55
19
50
47
83
60
100
100
96
83
96
100
100
91
58
94
42
98
90
100
95
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
6
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

2
1
0
8
14
12
14
15
4
11
16
7
3
16
13
26
34
62
82
95
82
95
54
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
0.4
1.1
0
0

Wind Speed/Direction (mph)

17
15
13
8
7
8
11
13
14
15
15
15
15
16
17
19
21
22
24
22
21
19
16
15

Chance of Frost

Temperature (°C)

22
22
22
21
19
19
19
20
20
20
20
19
19
19
20
20
20
21
22
22
21
21
20
19

Feels Like (°C)

20
20
20
20
20
19
18
18
18
18
18
17
17
17
17
17
17
18
18
19
18
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

62
65
66
74
81
91
93
95
93
89
88
89
86
88
88
86
80
79
80
85
91
91
92
92

Pressure (mb)

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

Ozone (du)

296
293
293
293
294
294
294
294
293
291
289
287
287
287
287
289
291
291
291
291
291
291
292
295

Friday 4

Third Quarter 39%

23:06

No Set

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

Sun - Rise: 06:58, Set: 20:19, Transit: 13:38. Moon - Rise: 23:06, Set: No Set. Civil Dark: 20:54 - 06:23. Nautical Dark: 21:37 - 05:41. Astro Dark: 22:24 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
43
20
4
5
18
20
25
61
67
81
99
80
67
65
63
86
88
90

Low Clouds (% Sky Obscured)

28
30
25
0
1
0
9
14
4
5
17
16
19
20
29
28
20
26
43
49
54
46
65
84

Medium Clouds (% Sky Obscured)

100
100
90
99
100
79
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
25
0
0
0
0
0
0
20
20
47
99
78
20
12
12
80
53
37

ISS Passover

Visibility (miles)

8
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 (%)

19
14
1
0
1
0
0
0
0
0
0
0
1
1
5
13
14
6
4
10
2
1
2
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)

14
14
13
11
8
7
7
7
7
8
8
8
8
8
8
9
11
15
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
15
13
10
10
10
11
11
10
11
11
11
11
11
11
12
11
10
10
10
10
11
11

Relative Humidity (%)

86
82
76
69
63
64
66
70
74
73
75
76
78
79
80
78
75
66
58
54
56
56
58
61

Pressure (mb)

1012
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1019
1020
1021
1021
1022
1023
1023
1024

Ozone (du)

295
296
297
298
304
312
319
324
324
325
324
326
327
324
322
320
318
316
314
310
308
306
306
304

Saturday 5

Waning Crescent 28%

00:12

17:33

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

Sun - Rise: 07:00, Set: 20:17, Transit: 13:37. Moon - Rise: 00:12, Set: 17:33. Civil Dark: 20:52 - 06:25. Nautical Dark: 21:34 - 05:43. Astro Dark: 22:21 - 04:57

Total Clouds (% Sky Obscured)

78
67
41
43
36
61
74
76
65
19
39
39
30
16
9
23
2
35
44
29
100
97
94
92

Low Clouds (% Sky Obscured)

78
24
11
3
0
0
0
0
0
2
0
6
5
7
0
0
0
0
0
0
2
1
0
0

Medium Clouds (% Sky Obscured)

0
1
1
0
0
0
1
4
0
1
0
4
11
6
6
11
2
12
22
24
33
36
46
55

High Clouds (% Sky Obscured)

59
48
17
26
29
61
74
65
63
10
36
30
2
1
1
1
1
16
8
23
100
94
89
83

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

14
12
10
7
5
3
2
2
2
3
3
3
4
4
4
4
5
6
7
9
10
10
10
10

Chance of Frost

Temperature (°C)

19
18
17
16
14
14
13
12
11
11
11
11
11
10
10
11
13
15
18
19
20
21
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
61
71
78
80
81
81
83
83
83
84
85
87
87
84
74
65
56
50
46
44
42
44

Pressure (mb)

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

Ozone (du)

304
304
303
301
300
300
298
296
294
293
293
292
291
291
291
292
291
290
289
289
289
290
291
290

Sunday 6

Waning Crescent 18%

01:34

18:20

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 OK
11 Bad
12 Good
13 OK
14 OK
15 Bad
16 Bad

Sun - Rise: 07:01, Set: 20:15, Transit: 13:37. Moon - Rise: 01:34, Set: 18:20. Civil Dark: 20:49 - 06:27. Nautical Dark: 21:32 - 05:45. Astro Dark: 22:18 - 04:59

Total Clouds (% Sky Obscured)

92
92
92
95
98
100
97
86
91
85
76
69
76
86
95
75
55
40
45
13
16
38
83
99

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
13
17
22
26

Medium Clouds (% Sky Obscured)

54
56
3
65
46
10
11
14
81
80
76
69
76
31
43
14
16
5
5
2
0
2
5
6

High Clouds (% Sky Obscured)

82
91
92
95
98
100
95
76
80
59
42
35
49
69
86
72
55
40
40
1
0
26
78
96

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
0
2
2
0
0
1
0
0
2
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
8
7
6
7
7
7
6
6
6
7
7
7
7
7
7
7
9
11
11
13
14
14
13

Chance of Frost

Temperature (°C)

22
21
20
19
18
17
16
16
16
16
16
16
16
16
16
17
18
20
22
24
25
26
26
26

Feels Like (°C)

20
20
19
17
16
15
14
13
14
14
14
14
14
14
14
14
17
18
20
22
25
26
25
22

Dew Point (°C)

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

Relative Humidity (%)

44
47
55
60
59
60
59
58
58
56
57
58
59
61
61
61
60
53
48
43
38
34
32
34

Pressure (mb)

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

Ozone (du)

290
291
292
291
291
291
291
291
292
293
292
292
294
297
297
296
297
296
297
299
302
300
298
297

Monday 7

Waning Crescent 10%

03:04

18:52

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
16 Bad

Sun - Rise: 07:03, Set: 20:12, Transit: 13:37. Moon - Rise: 03:04, Set: 18:52. Civil Dark: 20:47 - 06:28. Nautical Dark: 21:29 - 05:47. Astro Dark: 22:15 - 05:01

Total Clouds (% Sky Obscured)

97
96
94
96
98
100
100
100
100
100
100
100
100
100
100
98
99
100
95
91
88
78
69
60

Low Clouds (% Sky Obscured)

30
34
42
38
35
35
27
18
25
38
49
56
56
59
62
72
66
58
61
64
68
64
60
56

Medium Clouds (% Sky Obscured)

11
15
16
29
95
96
98
98
100
100
100
100
100
99
99
98
99
100
95
91
88
63
32
0

High Clouds (% Sky Obscured)

88
81
74
82
90
100
100
100
100
100
100
100
100
100
100
58
46
50
40
26
12
8
4
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
5
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
8
8
5
6
7
2
25
37
61
64
78
74
63
57
48
80
95
95
95
84
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.5
0.5
0.3
0.2
0
0.5
1.2
1.6
0.9
0.5
0

Wind Speed/Direction (mph)

13
10
8
7
6
6
5
6
6
6
7
7
8
8
8
8
11
12
14
14
15
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
12
13
15
16
16
17
17
17
17
16
16
16
16
16
16
15
14
13
13
14
14
13
11

Relative Humidity (%)

41
50
58
68
76
84
90
93
93
93
93
96
96
96
98
96
90
82
77
81
85
90
81
73

Pressure (mb)

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

Ozone (du)

295
294
293
294
295
294
294
294
294
294
294
294
294
296
298
301
305
309
314
323
333
343
340
338

Tuesday 8

Waning Crescent 4%

04:34

19:14

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

Sun - Rise: 07:05, Set: 20:10, Transit: 13:36. Moon - Rise: 04:34, Set: 19:14. Civil Dark: 20:45 - 06:30. Nautical Dark: 21:27 - 05:48. Astro Dark: 22:12 - 05:03

Total Clouds (% Sky Obscured)

56
49
43
38
33
28
26
24
22
23
23
26
34
42
49
47
46
47
47
48
50
61
68
73

Low Clouds (% Sky Obscured)

52
48
42
36
28
21
18
17
18
20
23
26
34
42
49
47
46
44
43
43
42
55
66
71

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
6
11
15
10
5
0
0
0
0
3
7
8
9
8
9
6
4
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
2
1
1
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
8
9
9
9
9
9
9
9
9
9
9
8
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 (%)

36
24
6
23
31
38
39
35
29
29
27
10
16
20
20
29
34
35
33
28
23
22
19
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
64
62
68
75
83
84
86
88
87
83
81
83
83
84
76
68
62
58
54
51
55
60

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

335
338
340
343
346
349
352
349
347
345
343
341
339
339
338
338
337
336
335
335
335
334
333
331

Wednesday 9

Waning Crescent 1%

06:01

19:30

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

Sun - Rise: 07:06, Set: 20:08, Transit: 13:36. Moon - Rise: 06:01, Set: 19:30. Civil Dark: 20:42 - 06:32. Nautical Dark: 21:24 - 05:50. Astro Dark: 22:09 - 05:06

Total Clouds (% Sky Obscured)

71
69
67
78
88
100
100
100
100
100
100
100
100
100
100
100
99
99
96
93
90

Low Clouds (% Sky Obscured)

68
65
58
55
48
60
60
52
40
27
14
2
10
17
23
39
51
69
68
67
70

Medium Clouds (% Sky Obscured)

1
0
0
12
24
36
42
45
49
65
81
100
100
100
100
99
97
96
68
41
13

High Clouds (% Sky Obscured)

7
15
22
47
72
98
98
99
100
100
100
100
94
88
79
57
40
24
15
7
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
13
10
8
7
1
4
6
6
7
8
9
22
39
58
64
60
46
44
40
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
11
9
7
6
6
6
7
9
10
10
9
9
9
9
10
10
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
66
66
67
67
68
66
71
75
77
79
80
80
84
89
93
95
93
95
92
92

Pressure (mb)

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

Ozone (du)

330
326
323
320
318
315
313
311
310
308
307
305
304
305
306
307
307
306
306
308
310

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

Generated: 03/09/26 17:22:06. Forecast: 03/09/26 to 09/09/26. Timezone: UTC+2.00