Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 2

Waning Gibbous 80%

22:37

10:23

08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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
07 Bad

Sun - Rise: 06:05, Set: 21:28, Transit: 13:45. Moon - Rise: 22:37, Set: 10:23. Civil Dark: 22:09 - 05:24. Nautical Dark: 23:04 - 04:29. Astro Dark: 00:22 - 03:13

Total Clouds (% Sky Obscured)

95
78
68
39
43
57
55
96
53
40
41
16
43
52
63
91
97
100
100
100
100
76
82
77

Low Clouds (% Sky Obscured)

0
0
0
0
1
5
0
0
0
0
7
0
43
9
0
0
0
0
0
0
0
26
45
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
22
16
27
16
5
4
5
19
22
24
20
22
17
15
36
50
26

High Clouds (% Sky Obscured)

53
5
0
4
36
57
54
90
41
5
18
8
15
30
53
73
93
100
100
100
100
52
57
50

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 (%)

2
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
30

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
5
5
6
7
8
8
8
9
10
12
14
12
11
11
10
11
11
11
10
10
9
9
8

Chance of Frost

Temperature (°C)

17
19
21
24
26
27
27
28
28
29
28
26
25
23
22
21
21
20
20
19
19
18
18
18

Feels Like (°C)

17
18
21
23
24
24
24
25
25
26
25
23
23
20
18
19
17
16
16
16
15
15
15
16

Dew Point (°C)

9
8
7
7
6
5
4
4
4
4
6
9
11
11
9
7
5
5
6
6
6
7
8
8

Relative Humidity (%)

58
48
40
34
29
25
22
21
21
21
23
33
41
45
43
38
34
37
39
41
44
47
52
52

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1014
1015
1014
1014
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

327
327
325
323
322
323
324
323
323
323
322
321
319
317
316
316
317
316
317
318
319
319
320
321

Monday 3

Waning Gibbous 71%

22:49

11:41

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 OK
06 OK
07 Bad

Sun - Rise: 06:06, Set: 21:26, Transit: 13:45. Moon - Rise: 22:49, Set: 11:41. Civil Dark: 22:07 - 05:26. Nautical Dark: 23:01 - 04:32. Astro Dark: 00:17 - 03:18

Total Clouds (% Sky Obscured)

100
87
77
38
58
57
77
71
59
36
54
36
93
96
100
88
96
98
98
62
48
30
37
60

Low Clouds (% Sky Obscured)

13
0
0
0
0
0
0
0
0
2
10
0
0
1
50
12
2
23
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

34
29
32
19
16
4
0
0
0
0
2
4
38
83
88
74
73
74
79
26
12
22
25
34

High Clouds (% Sky Obscured)

99
85
36
17
57
56
74
71
59
36
33
34
76
80
100
71
82
59
54
52
36
0
2
11

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
31
35
35
19
5
1
0
0
0
0
1
29
38
4
1
5
3
17
32
2
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
10
10
11
10
9
9
8
7
8
6
6
6
6
4
4
2
5
4
4
3
4
4

Chance of Frost

Temperature (°C)

19
21
23
26
28
30
32
33
33
34
34
33
31
27
25
24
23
23
23
22
21
21
21
21

Feels Like (°C)

17
19
22
25
29
31
33
32
32
32
31
30
30
27
24
24
23
24
22
22
23
23
23
23

Dew Point (°C)

10
12
13
13
14
14
12
10
9
8
8
9
11
15
17
16
14
12
12
14
15
16
16
17

Relative Humidity (%)

55
57
53
44
42
38
29
24
22
20
20
22
28
47
63
62
56
49
49
59
68
74
75
76

Pressure (mb)

1012
1012
1011
1011
1011
1010
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

322
324
325
326
327
326
324
322
321
321
322
321
319
314
312
314
319
324
327
327
328
329
325
321

Tuesday 4

Waning Gibbous 60%

23:02

13:02

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

80
61
45
9
52
64
74
78
97
96
58
45
42
59
56
38
44
63
65
62
59
58
79
61

Low Clouds (% Sky Obscured)

0
14
0
0
7
22
28
30
26
35
19
8
0
3
20
3
0
18
21
23
28
28
75
49

Medium Clouds (% Sky Obscured)

37
30
45
9
52
63
70
33
73
75
58
37
32
38
32
25
30
38
40
38
39
33
77
39

High Clouds (% Sky Obscured)

43
6
2
1
7
0
1
78
80
85
2
2
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
2
3
0
0
5
18
36
52
37
24
11
8
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
25
27
29
31
31
32
31
31
29
28
28
27
25
23
22
21
21
20
20
20
20
20
21

Feels Like (°C)

24
25
27
28
29
28
29
29
30
28
27
26
25
24
24
23
23
22
22
22
22
22
22
21

Dew Point (°C)

17
16
14
10
8
8
8
8
7
6
6
6
7
9
11
12
12
13
15
15
16
16
17
16

Relative Humidity (%)

68
58
44
30
23
23
23
23
21
22
23
24
28
37
48
52
55
63
69
72
76
80
81
76

Pressure (mb)

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

Ozone (du)

320
318
315
315
314
313
312
310
309
308
309
309
310
309
309
311
311
311
309
308
307
307
306
305

Wednesday 5

Waning Gibbous 49%

23:19

14:26

08 Bad
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 Bad
01 Bad
02 Bad
03 OK
04 Good
05 Good
06 OK
07 OK

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)

72
40
63
43
72
61
67
55
38
18
6
1
1
1
2
43
71
93
50
33
8
12
17
22

Low Clouds (% Sky Obscured)

72
28
63
38
64
54
62
55
38
18
4
0
0
0
0
8
28
15
2
4
6
4
2
0

Medium Clouds (% Sky Obscured)

72
6
63
3
6
11
9
6
3
3
3
1
1
1
2
6
13
17
12
7
0
5
11
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
36
64
76
45
26
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
18
2
5
5
0
1
1
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)

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

Chance of Frost

Temperature (°C)

21
22
23
23
26
26
27
27
26
25
25
25
24
22
20
18
18
18
17
16
16
15
15
16

Feels Like (°C)

23
21
25
23
26
25
27
25
24
23
24
23
23
22
21
19
17
17
16
16
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

71
66
60
65
48
48
42
45
50
52
45
44
43
52
62
66
70
67
73
74
78
86
89
85

Pressure (mb)

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

Ozone (du)

304
304
303
304
304
304
305
306
306
305
305
305
306
306
307
308
308
309
310
309
309
310
311
311

Thursday 6

Third Quarter 46%

23:43

15:54

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

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)

22
25
42
24
28
30
37
21
20
22
24
26
16
11
5
7
10
12
17
22
26
17
8
0

Low Clouds (% Sky Obscured)

5
10
18
19
23
25
23
21
20
22
21
20
10
7
4
2
1
0
3
5
6
3
1
0

Medium Clouds (% Sky Obscured)

11
5
0
2
6
5
17
1
0
1
2
3
0
0
0
1
3
4
4
4
3
3
1
0

High Clouds (% Sky Obscured)

0
2
9
1
4
2
3
0
0
0
0
0
0
0
0
0
1
1
4
6
9
6
4
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
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
1
7
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)

8
10
11
12
13
13
14
14
13
13
12
11
10
7
5
3
3
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
23
23
23
23
22
21
20
18
16
15
14
14
13
13
13
12
13
14

Feels Like (°C)

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

Dew Point (°C)

13
11
10
9
8
8
7
5
4
4
4
4
5
6
6
7
7
7
8
8
8
8
9
8

Relative Humidity (%)

70
55
47
41
38
37
33
30
29
30
30
32
36
43
51
61
62
65
69
71
72
76
72
68

Pressure (mb)

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

Ozone (du)

311
313
312
311
311
311
313
314
316
319
320
325
329
330
332
334
334
335
335
336
337
339
336
333

Friday 7

Waning Crescent 37%

00:20

17:21

08 Good
09 OK
10 OK
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 OK
05 Bad
06 Bad
07 Bad

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)

15
32
47
49
52
58
55
57
60
65
70
71
72
69
65
59
53
52
42
40
34
53
73
92

Low Clouds (% Sky Obscured)

0
0
0
4
11
17
16
14
15
9
4
0
0
0
0
6
13
22
19
12
8
7
8
11

Medium Clouds (% Sky Obscured)

0
0
0
5
14
24
28
28
26
23
20
17
9
5
1
8
15
22
18
12
9
4
2
0

High Clouds (% Sky Obscured)

15
32
44
40
46
58
55
57
54
65
69
71
72
69
65
53
25
0
0
1
1
31
61
90

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
1
1
2
3
0
0
0
0
2
3
0
0
0
0
0
2
8
15
17
5
3
4
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)

5
6
6
7
8
10
12
12
12
13
12
11
10
8
7
6
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

15
17
19
22
23
24
25
24
24
24
23
22
20
19
17
15
15
14
14
14
13
13
14
15

Feels Like (°C)

13
17
18
18
19
19
19
25
24
22
23
23
23
17
17
17
17
16
16
14
14
15
14
14

Dew Point (°C)

9
9
9
9
8
7
6
6
6
6
6
7
9
9
10
11
11
11
12
12
11
11
11
11

Relative Humidity (%)

66
57
50
44
39
34
30
30
30
30
34
39
46
54
65
78
80
82
86
86
87
87
83
79

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

330
330
329
328
328
328
328
330
331
332
332
331
331
332
332
332
332
333
333
333
333
333
335
337

Saturday 8

Waning Crescent 26%

01:14

18:39

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

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)

85
76
59
64
69
71
66
60
54
51
48
45
48
51
59
54
48
41

Low Clouds (% Sky Obscured)

12
13
14
17
18
16
14
18
22
16
12
7
5
4
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
16
25
16
7
0

High Clouds (% Sky Obscured)

74
58
43
54
69
71
66
60
54
51
48
45
42
36
40
45
48
41

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
2
4
3
1
3
2
0
1
2
3
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
19
20
21
21
22
22
22
21
21
20
19
18
16
15
14
13

Feels Like (°C)

14
16
16
17
16
17
17
22
21
20
21
21
21
17
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

75
66
57
49
43
37
32
34
35
37
40
44
48
51
56
60
63
64

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

339
337
335
333
333
332
332
331
330
330
329
329
329
330
331
332
333
333

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

Generated: 02/08/26 08:33:49. Forecast: 02/08/26 to 08/08/26. Timezone: UTC+2.00