Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waxing Gibbous 96%

18:43

05:50

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:29, Set: 19:33, Transit: 13:31. Moon - Rise: 18:43, Set: 05:50. Civil Dark: 20:06 - 06:57. Nautical Dark: 20:46 - 06:18. Astro Dark: 21:27 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
61
67
71
100
100
100
100
100
100
100
100
100
100
64
78
84
100
100
100
77

Low Clouds (% Sky Obscured)

19
29
16
17
8
19
21
22
20
17
13
0
0
3
0
0
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
35
8
2
2
2
2
2
2
2
0
0
0
0
2
2
17
7
2
2
1
2
0

High Clouds (% Sky Obscured)

100
100
100
100
52
42
46
100
100
100
100
100
100
100
100
100
100
62
78
84
100
100
100
77

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)

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

Chance of Frost

Temperature (°C)

10
10
12
14
16
17
18
18
18
18
18
17
16
14
12
12
11
10
10
9
9
9
8
8

Feels Like (°C)

9
9
11
13
14
15
15
16
15
15
15
15
14
12
11
10
9
9
8
8
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

88
87
79
66
56
53
50
47
45
45
46
53
63
68
71
75
75
74
77
76
75
74
75
75

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

299
298
297
296
297
297
296
296
295
293
291
290
288
287
286
285
283
282
282
282
282
282
282
281

Friday 25

Waxing Gibbous 99%

18:54

No Set

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

Sun - Rise: 07:31, Set: 19:30, Transit: 13:31. Moon - Rise: 18:54, Set: No Set. Civil Dark: 20:04 - 06:59. Nautical Dark: 20:44 - 06:19. Astro Dark: 21:25 - 05:38

Total Clouds (% Sky Obscured)

51
40
39
3
8
2
2
3
2
0
0
0
1
0
0
0
0
0
18
59
48
57
83
100

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
10
28
38
43
51
43

High Clouds (% Sky Obscured)

51
40
39
3
7
2
1
2
2
0
0
0
1
0
0
0
0
0
5
38
15
16
80
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
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
6
7
7
8
8
7
7
6
5
4
4
4
5
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

8
8
10
12
15
17
19
20
21
21
21
21
19
16
15
14
13
13
12
12
12
12
12
13

Feels Like (°C)

6
6
7
10
15
16
18
19
20
21
21
21
20
17
15
14
13
12
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

77
77
72
62
54
48
43
39
38
39
41
51
57
58
57
57
58
57
56
56
56
55
54
53

Pressure (mb)

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

Ozone (du)

281
281
281
281
283
283
284
285
286
286
286
287
287
287
287
287
289
289
288
288
287
284
283
285

Saturday 26

Full Moon 100%

19:05

07:09

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:32, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 07:09. Civil Dark: 20:02 - N/A. Nautical Dark: 20:41 - 06:21. Astro Dark: 21:22 - 05:40

Total Clouds (% Sky Obscured)

96
81
84
96
76
85
89
96
86
100
100
100
100
100
88
48
55
50
93
94
96
97
98
97

Low Clouds (% Sky Obscured)

0
0
0
4
6
22
38
45
27
26
17
16
11
11
10
9
9
13
13
20
24
29
26
23

Medium Clouds (% Sky Obscured)

52
56
63
70
67
71
47
48
35
30
30
42
98
92
70
45
45
50
56
50
49
14
61
73

High Clouds (% Sky Obscured)

87
21
15
35
24
36
15
38
66
100
100
100
100
100
81
48
52
50
87
89
90
91
77
85

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
53
53
48
46
46
47
48
48
48
51
56
65
83
90
90
86
84
90
90
88
85
85
80

Pressure (mb)

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

Ozone (du)

286
285
285
284
283
284
285
288
290
290
290
291
291
291
291
291
291
291
290
289
289
288
287
287

Sunday 27

Waning Gibbous 98%

19:18

08:30

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 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 - 06:23. Astro Dark: 21:20 - 05:42

Total Clouds (% Sky Obscured)

78
68
63
82
54
58
32
40
50
57
58
39
29
40
83
93
93
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
15
15
15
11
7
3
3
1
0
1
3
4
3
1
0
11
24
41
33
13
50
56
5

Medium Clouds (% Sky Obscured)

42
38
30
54
18
18
16
15
7
40
19
14
3
12
22
28
70
62
81
48
80
82
88
87

High Clouds (% Sky Obscured)

44
35
26
49
33
47
28
39
50
51
58
19
16
21
78
81
71
90
100
100
100
100
100
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
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

11
11
12
14
15
17
19
20
21
21
22
20
19
17
17
16
16
16
15
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
76
69
65
61
57
53
52
53
55
62
71
78
81
81
80
79
79
78
82
86
79
79

Pressure (mb)

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

Ozone (du)

288
288
288
288
287
286
287
285
284
284
285
286
287
285
285
284
285
286
288
288
287
288
288
288

Monday 28

Waning Gibbous 93%

19:33

09:55

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
04 Bad
05 Bad
06 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 - 06:24. Astro Dark: 21:17 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
94
95
97
99
99
100
100
99
100
100
100
99
99
100
100
100
97
94

Low Clouds (% Sky Obscured)

52
68
74
80
73
62
75
81
81
82
80
78
76
89
89
90
84
77
70
54
38
22
22
23

Medium Clouds (% Sky Obscured)

97
93
96
96
92
88
83
82
82
82
80
77
74
88
80
76
80
84
89
92
94
97
91
84

High Clouds (% Sky Obscured)

100
100
100
100
87
76
66
78
88
95
97
99
100
90
95
100
97
94
92
95
98
100
92
85

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
27
34
49
45
42
28
24
22
18
30
38
38
48
41
33
30
29
20
17
14
8
10
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
85
82
88
85
84
81
82
88
92
93
95
96
96
96
98
98
96
96
96
95
93
95

Pressure (mb)

1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

288
288
288
287
287
288
290
290
291
293
293
294
295
297
297
298
299
300
300
301
301
301
302
301

Tuesday 29

Waning Gibbous 86%

19:53

11:23

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

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 - 06:26. Astro Dark: 21:14 - 05:46

Total Clouds (% Sky Obscured)

91
81
71
60
57
54
50
46
42
37
43
44
44
57
66
74
56
38
23
37
57
74
59
41

Low Clouds (% Sky Obscured)

23
15
8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
15

Medium Clouds (% Sky Obscured)

77
65
55
44
30
16
2
6
11
16
22
27
34
36
32
28
20
16
11
31
51
70
59
41

High Clouds (% Sky Obscured)

78
59
40
20
31
40
50
46
42
37
43
26
8
25
44
63
52
37
21
26
35
40
39
37

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
2
3
0
1
2
0
0
2
0
0
0
0
0
0
0
6
13
23
41
51
61
52
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
19
20
22
24
26
26
27
27
26
24
22
22
21
20
20
19
19
18
17
17
17

Feels Like (°C)

16
16
15
16
16
17
17
18
26
25
25
25
25
26
21
21
21
21
21
20
18
18
17
17

Dew Point (°C)

15
15
15
15
15
14
13
12
13
13
14
14
14
14
13
13
13
13
13
13
14
15
15
15

Relative Humidity (%)

93
92
85
78
72
61
51
43
43
43
43
47
52
58
59
60
62
63
67
70
76
83
90
90

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

300
300
300
300
300
300
300
299
298
297
296
293
290
287
286
285
284
283
283
283
283
283
283
283

Wednesday 30

Waning Gibbous 77%

20:22

12:52

07 OK
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

Sun - Rise: 07:39, Set: 19:19, Transit: 13:29. Moon - Rise: 20:22, Set: 12:52. Civil Dark: 19:52 - 07:06. Nautical Dark: 20:32 - 06:28. Astro Dark: 21:12 - 05:48

Total Clouds (% Sky Obscured)

25
38
54
66
58
52
47
65
81
100
100
100
100
96
91
87
91
96
100

Low Clouds (% Sky Obscured)

22
15
9
5
17
28
37
35
34
30
35
43
48
46
44
40
55
70
83

Medium Clouds (% Sky Obscured)

25
38
49
50
53
52
47
54
47
41
37
32
24
36
40
48
44
39
40

High Clouds (% Sky Obscured)

25
38
54
66
58
52
47
65
81
100
100
100
100
87
73
56
59
62
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
6
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

4
3
2
2
18
25
30
45
58
69
62
51
32
25
21
23
37
50
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
17
18
20
21
23
22
21
21
21
20
21
17
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

90
92
88
84
81
83
84
85
87
87
87
88
88
90
90
90
92
90
87

Pressure (mb)

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

Ozone (du)

283
284
284
283
283
284
284
285
285
286
286
286
286
286
286
287
287
289
291

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

Generated: 24/09/26 07:31:45. Forecast: 24/09/26 to 30/09/26. Timezone: UTC+2.00