Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 60%

23:02

13:02

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

Sun - Rise: 06:08, Set: 21:24, Transit: 13:45. Moon - Rise: 23:02, Set: 13:02. Civil Dark: 22:05 - 05:27. Nautical Dark: 22:59 - 04:34. Astro Dark: 00:13 - 03:22

Total Clouds (% Sky Obscured)

47
37
28
22
43
25
29
83
100
94
90
87
70
9
0
22
50
72
55
54
79
81
46
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
40
68
25
25
63
9
0
0
0
15
64
6
3
57
62
38
79

Medium Clouds (% Sky Obscured)

1
0
0
3
22
21
22
79
87
87
51
83
70
9
0
13
26
18
35
36
26
23
23
18

High Clouds (% Sky Obscured)

3
0
0
0
21
2
2
18
57
63
81
19
4
0
0
0
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
1
3
10
33
30
40
64
13
2
0
0
0
0
0
0
3
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
25
27
30
33
34
34
34
33
30
27
26
24
23
22
21
20
20
21
21
21
20
20
21

Feels Like (°C)

25
26
28
30
33
32
32
33
30
27
26
25
22
22
22
22
21
21
20
22
22
19
19
21

Dew Point (°C)

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

Relative Humidity (%)

42
34
31
30
27
24
22
21
25
36
44
45
47
49
58
66
71
74
70
71
70
66
66
65

Pressure (mb)

1010
1011
1011
1010
1010
1010
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

321
319
317
315
313
313
314
312
309
308
308
308
310
311
311
311
311
311
311
311
310
310
309
309

Wednesday 5

Waning Gibbous 49%

23:19

14:26

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

Sun - Rise: 06:09, Set: 21:22, Transit: 13:45. Moon - Rise: 23:19, Set: 14:26. Civil Dark: 22:03 - 05:29. Nautical Dark: 22:56 - 04:36. Astro Dark: 00:08 - 03:26

Total Clouds (% Sky Obscured)

94
95
85
74
74
81
54
36
31
3
0
0
0
0
21
0
25
20
20
26
40
41
52
61

Low Clouds (% Sky Obscured)

86
88
79
69
74
74
43
25
16
2
0
0
0
0
18
0
25
16
0
0
0
4
12
20

Medium Clouds (% Sky Obscured)

31
33
21
18
0
8
17
5
4
0
0
0
0
0
0
0
0
0
7
0
0
0
0
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
2
13
24
35
35
30
20

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 (%)

5
7
4
23
13
0
0
0
0
0
0
0
0
0
1
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)

11
12
13
15
16
16
18
18
17
16
15
13
11
9
10
9
9
8
8
8
8
8
8
10

Chance of Frost

Temperature (°C)

22
22
22
23
25
25
26
26
25
25
24
23
21
19
18
18
17
16
15
15
14
14
15
17

Feels Like (°C)

20
20
20
21
22
22
22
21
22
22
22
21
20
18
18
17
17
17
17
15
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

66
64
63
59
53
52
44
35
35
36
39
45
54
61
61
65
73
82
87
89
87
76
68
54

Pressure (mb)

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

Ozone (du)

308
310
311
311
310
311
309
310
312
312
312
313
315
317
318
318
318
320
321
322
321
321
322
322

Thursday 6

Third Quarter 37%

23:43

15:54

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 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:11, Set: 21:21, Transit: 13:45. Moon - Rise: 23:43, Set: 15:54. Civil Dark: 22:00 - 05:31. Nautical Dark: 22:54 - 04:39. Astro Dark: 00:04 - 03:30

Total Clouds (% Sky Obscured)

64
55
69
54
49
68
74
71
80
80
77
81
84
58
65
74
72
62
70
62
31
24
17
35

Low Clouds (% Sky Obscured)

29
30
32
31
31
31
30
21
30
41
45
49
23
11
12
14
34
22
14
8
8
7
7
12

Medium Clouds (% Sky Obscured)

13
26
37
31
25
42
53
50
52
50
45
55
53
32
36
42
44
36
26
18
11
5
0
4

High Clouds (% Sky Obscured)

11
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
15
15
3
5
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 (%)

0
0
0
0
0
0
1
5
7
7
5
3
0
1
1
1
1
2
3
1
2
3
1
3

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)

12
15
16
17
17
17
17
16
15
14
13
10
7
5
4
5
4
4
4
4
3
3
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
37
36
35
32
32
35
38
39
41
43
47
55
64
67
73
76
82
86
87
89
89
89
76

Pressure (mb)

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

Ozone (du)

323
324
326
329
332
337
338
339
340
341
344
343
344
339
335
332
329
330
329
328
327
326
324
323

Friday 7

Waning Crescent 35%

00:20

17:21

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

Sun - Rise: 06:12, Set: 21:19, Transit: 13:45. Moon - Rise: 00:20, Set: 17:21. Civil Dark: 21:58 - 05:33. Nautical Dark: 22:51 - 04:41. Astro Dark: 00:00 - 03:33

Total Clouds (% Sky Obscured)

46
55
79
84
86
86
86
66
50
32
18
34
55
71
63
53
68
62
51
26
18
13
5
14

Low Clouds (% Sky Obscured)

21
31
31
28
24
23
22
22
17
11
7
5
2
0
0
0
0
1
2
3
2
1
0
0

Medium Clouds (% Sky Obscured)

8
11
13
16
18
53
24
25
18
12
5
14
24
38
29
32
26
25
22
18
13
8
2
2

High Clouds (% Sky Obscured)

5
2
18
25
30
35
35
7
4
3
3
10
19
29
20
10
20
20
11
0
0
1
1
6

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
9
7
6
6
6
7
6
6
5
5
6
8
8
9
9
10
10
10
10
10
10
9
8

Relative Humidity (%)

66
53
42
35
33
33
37
33
31
31
32
37
50
58
64
69
74
78
78
81
83
83
77
62

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

323
324
325
325
326
327
329
333
332
334
336
335
333
331
329
330
330
331
334
334
334
331
329
328

Saturday 8

Waning Crescent 26%

01:14

18:39

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

Sun - Rise: 06:14, Set: 21:17, Transit: 13:45. Moon - Rise: 01:14, Set: 18:39. Civil Dark: 21:56 - 05:35. Nautical Dark: 22:48 - 04:43. Astro Dark: 23:56 - 03:37

Total Clouds (% Sky Obscured)

5
3
15
49
54
42
45
45
28
27
23
63
64
60
60
60
60
60
60
55
55
46
42
51

Low Clouds (% Sky Obscured)

0
0
7
16
23
14
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
8
14
21
19
17
16
27
25
15
13
15
12
17
20
22
28
31
34
26

High Clouds (% Sky Obscured)

2
1
4
30
31
20
20
18
2
2
0
61
64
60
60
60
60
60
60
55
55
40
31
37

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
0
0
0
0
0
1
0
2
2
0
1
1
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)

4
4
4
4
4
5
5
5
4
4
5
6
4
4
5
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

17
20
23
25
26
27
28
28
29
28
27
26
23
21
18
18
17
16
16
15
15
16
17
18

Feels Like (°C)

16
20
22
24
24
26
28
28
28
29
27
25
23
23
22
21
21
19
15
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

49
38
30
26
23
20
19
18
17
18
20
28
35
43
54
52
51
50
47
43
41
39
36
34

Pressure (mb)

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

Ozone (du)

327
326
325
326
326
326
325
324
324
323
323
323
322
321
320
320
319
319
318
316
315
314
314
314

Sunday 9

Waning Crescent 16%

02:29

19:40

09 Bad
10 Bad
11 Bad
12 Bad
13 OK
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
07 Bad
08 Bad

Sun - Rise: 06:16, Set: 21:15, Transit: 13:44. Moon - Rise: 02:29, Set: 19:40. Civil Dark: 21:54 - 05:37. Nautical Dark: 22:46 - 04:46. Astro Dark: 23:52 - 03:41

Total Clouds (% Sky Obscured)

63
77
63
51
44
46
51
56
67
75
81
86
91
95
96
97
98
97
97
97
94
90
87
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
8
14
21
16
15
13
13
16
15
18
18
20
24
20
19
14
14
16
14

Medium Clouds (% Sky Obscured)

23
18
21
32
41
40
34
24
35
49
65
71
75
79
73
66
59
71
81
92
91
90
87
84

High Clouds (% Sky Obscured)

48
54
45
51
44
46
46
21
15
10
5
34
58
80
56
37
31
43
54
65
61
57
52
45

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

Precipitation Probability (%)

0
0
1
3
3
26
40
56
59
44
36
26
17
8
7
7
8
31
35
40
27
21
20
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
24
27
28
29
30
29
29
28
27
25
24
22
21
19
19
18
18
18
18
18
18
19
19

Feels Like (°C)

19
20
21
21
21
21
30
29
28
28
29
30
21
20
21
20
20
19
15
15
16
16
15
14

Dew Point (°C)

3
3
3
2
1
-0
-2
-3
-3
-2
1
3
4
6
7
7
7
7
7
7
7
7
7
6

Relative Humidity (%)

29
25
21
18
16
14
13
12
12
15
20
24
30
37
44
46
46
48
49
49
50
47
45
43

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013

Ozone (du)

316
317
319
319
320
320
321
321
322
323
324
324
324
324
324
323
322
322
322
322
322
324
325
327

Monday 10

Waning Crescent 8%

03:58

20:22

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: 06:17, Set: 21:13, Transit: 13:44. Moon - Rise: 03:58, Set: 20:22. Civil Dark: 21:52 - 05:38. Nautical Dark: 22:43 - 04:48. Astro Dark: 23:48 - 03:44

Total Clouds (% Sky Obscured)

84
85
88
92
96
94
92
90
80
71
62
55
49
47
45
46
44

Low Clouds (% Sky Obscured)

12
10
13
15
15
9
7
5
6
8
9
12
21
35
39
39
36

Medium Clouds (% Sky Obscured)

83
75
82
87
95
89
84
79
72
66
56
50
43
37
34
26
23

High Clouds (% Sky Obscured)

36
27
21
13
2
18
35
49
32
14
0
0
0
0
1
2
4

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 (%)

6
0
0
0
0
0
0
0
1
1
1
7
8
9
15
16
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
16
16
23
22
23
24
23
24
18
19
19
19
19

Dew Point (°C)

5
3
2
1
1
-1
2
5
7
9
11
12
13
13
14
14
14

Relative Humidity (%)

37
32
27
24
22
20
25
29
35
42
49
57
63
70
76
79
83

Pressure (mb)

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

Ozone (du)

324
321
319
319
319
319
320
321
323
326
330
333
336
338
341
338
336

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

Generated: 04/08/26 09:46:47. Forecast: 04/08/26 to 10/08/26. Timezone: UTC+2.00