Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 11%

08:27

01:27

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:31, Set: 21:31, Transit: 13:32. Moon - Rise: 08:27, Set: 01:27. Civil Dark: 22:15 - 04:46. Nautical Dark: 23:19 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
99
100
100
100
100
100
100
100
100
94
100
97
91
100
100
100
98
95
82
59
96
90

Low Clouds (% Sky Obscured)

60
64
74
66
78
80
100
92
97
79
76
67
75
73
83
74
74
82
75
72
43
49
69
75

Medium Clouds (% Sky Obscured)

92
98
97
93
97
54
86
100
100
100
100
88
59
45
84
24
35
27
30
26
30
10
50
36

High Clouds (% Sky Obscured)

50
15
84
95
100
92
90
100
100
100
100
19
15
4
13
96
81
82
82
2
71
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

2
2
19
18
25
58
60
95
95
32
7
3
25
60
42
11
10
11
7
10
7
16
48
60

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.2
1.6
0.4
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

10
11
12
12
12
11
10
11
12
11
11
11
10
10
10
10
10
10
11
11
12
14
15
15

Chance of Frost

Temperature (°C)

15
16
16
16
15
14
14
14
13
12
12
12
12
12
12
12
12
12
12
13
13
14
15
15

Feels Like (°C)

12
12
13
12
12
11
11
10
9
9
9
9
9
9
9
9
9
10
10
10
11
11
12
11

Dew Point (°C)

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

Relative Humidity (%)

60
60
61
63
72
74
75
76
87
95
96
93
93
93
93
96
96
95
93
90
90
82
70
70

Pressure (mb)

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

Ozone (du)

375
378
377
376
373
371
369
369
367
369
371
371
374
377
379
381
379
379
382
383
386
387
385
381

Wednesday 20

Waxing Crescent 20%

09:57

02:01

12 Bad
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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:29, Set: 21:33, Transit: 13:32. Moon - Rise: 09:57, Set: 02:01. Civil Dark: 22:17 - 04:45. Nautical Dark: 23:21 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
71
71
89
83
38
37
22
42
84
56
68
69
84
85
90
91
74
91
89
85
95
97
92

Low Clouds (% Sky Obscured)

72
61
60
75
72
38
28
1
20
41
28
9
27
33
16
6
14
33
39
35
42
53
56
34

Medium Clouds (% Sky Obscured)

48
29
29
26
7
0
14
17
22
44
31
47
38
33
37
30
30
6
21
27
27
34
35
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
8
1
0
0
2
53
5
35
85
60
10
19
17
9
12
70
81
12

ISS Passover

Visibility (miles)

9
4
8
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

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

Precipitation Probability (%)

75
56
88
56
18
3
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2

Precipitation Amount (mm)

0.5
0
0.7
0.2
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
15
16
15
14
14
13
11
9
7
6
7
8
8
8
8
8
8
8
8
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
69
67
60
66
61
60
65
69
76
82
86
90
95
95
96
98
96
96
96
92
83
74
67

Pressure (mb)

1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1025
1026
1026
1026
1027

Ozone (du)

377
374
372
373
376
378
379
380
376
367
360
353
347
343
344
346
344
343
341
340
340
341
342
341

Thursday 21

Waxing Crescent 31%

11:26

02:24

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

Sun - Rise: 05:28, Set: 21:34, Transit: 13:32. Moon - Rise: 11:26, Set: 02:24. Civil Dark: 22:19 - 04:43. Nautical Dark: 23:24 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
82
66
65
57
67
64
20
13
9
39
77
97
99
94
81
78
75
63
80
54
35
5
10

Low Clouds (% Sky Obscured)

36
34
38
32
29
34
32
9
13
1
1
1
1
1
2
0
0
0
0
2
1
1
0
7

Medium Clouds (% Sky Obscured)

41
46
34
31
24
31
32
5
2
5
3
8
21
65
70
56
50
40
27
57
38
22
2
0

High Clouds (% Sky Obscured)

28
0
9
10
8
38
11
4
3
2
36
70
93
98
91
38
46
47
45
67
42
32
5
4

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
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)

12
12
12
12
11
11
11
9
7
5
5
4
3
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
19
19
19
18
18
18
16
15
13
13
12
12
12
12
12
12
12
16
18
20
23

Dew Point (°C)

11
10
11
11
11
12
12
12
12
12
12
11
10
10
10
9
9
9
9
10
11
11
12
13

Relative Humidity (%)

58
55
54
53
53
55
59
63
69
74
80
80
80
82
80
79
80
79
80
78
72
65
60
57

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

339
339
337
337
337
335
334
332
332
331
333
334
333
334
333
332
332
335
338
342
345
347
348
347

Friday 22

Waxing Crescent 42%

No Rise

02:40

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

Sun - Rise: 05:27, Set: 21:36, Transit: 13:32. Moon - Rise: No Rise, Set: 02:40. Civil Dark: 22:21 - 04:42. Nautical Dark: 23:26 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
30
23
21
28
24
18
25
25
2
2
1
1
1
4
2
6
4
9
13
8
17
15
41

Low Clouds (% Sky Obscured)

16
24
17
9
3
6
1
1
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
4
0
3
3
3
3
3
3

High Clouds (% Sky Obscured)

6
9
8
19
28
22
16
15
15
0
0
0
0
0
0
0
0
0
1
5
3
6
9
34

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)

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

Chance of Frost

Temperature (°C)

23
24
25
25
25
26
25
24
23
21
19
18
17
16
16
15
15
15
15
16
18
20
22
24

Feels Like (°C)

24
26
27
28
28
26
25
25
23
21
21
20
19
18
17
16
16
15
16
16
18
21
23
25

Dew Point (°C)

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

Relative Humidity (%)

55
53
51
50
49
49
52
60
72
77
80
81
82
86
89
90
92
92
92
89
81
74
66
59

Pressure (mb)

1029
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

346
345
343
342
342
341
338
336
336
336
335
335
336
338
337
335
333
332
330
330
331
331
330
329

Saturday 23

First Quarter 53%

12:50

02:52

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

Sun - Rise: 05:26, Set: 21:37, Transit: 13:32. Moon - Rise: 12:50, Set: 02:52. Civil Dark: 22:22 - 04:40. Nautical Dark: 23:29 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
93
96
97
100
93
86
77
79
83
76
59
37
23
17
11
4
5
4
2
10
18
26
19

Low Clouds (% Sky Obscured)

0
0
6
17
7
9
3
12
11
4
0
0
0
1
1
2
2
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

3
59
55
43
44
3
0
43
36
29
21
12
1
2
2
2
3
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

63
90
94
95
100
88
76
64
70
74
76
59
37
23
17
11
3
3
2
2
10
18
26
19

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
1
1
3
4
3
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)

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

Chance of Frost

Temperature (°C)

25
27
27
27
27
26
25
23
22
20
18
16
16
15
15
15
14
14
15
16
17
18
20
21

Feels Like (°C)

27
27
27
27
27
25
23
22
22
19
17
17
17
17
16
16
16
15
15
16
16
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

53
50
51
51
52
61
66
70
75
77
86
92
95
95
95
96
96
96
93
89
86
78
71
65

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1027
1027
1027

Ozone (du)

330
331
333
332
331
332
335
337
340
343
350
356
350
342
341
338
335
332
331
331
330
329
328
327

Sunday 24

Waxing Gibbous 64%

14:10

03:02

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

Sun - Rise: 05:25, Set: 21:38, Transit: 13:32. Moon - Rise: 14:10, Set: 03:02. Civil Dark: 22:24 - 04:39. Nautical Dark: 23:31 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

21
22
39
56
71
52
32
11
12
15
19
28
37
46
55
63
67
61
58
56
37
19
0
0

Low Clouds (% Sky Obscured)

0
0
10
19
25
16
8
0
0
0
0
0
0
0
18
35
50
48
47
48
32
16
0
0

Medium Clouds (% Sky Obscured)

0
0
9
21
31
21
10
0
4
6
8
12
15
15
15
15
15
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

15
8
9
5
3
2
2
2
3
3
1
7
14
20
15
8
2
3
4
6
4
2
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
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
6
7
7
9
9
9
10
9
8
8
7
6
6
6
6
5
6
6
7
7
8
8

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
23
22
20
18
16
15
14
13
13
12
12
12
13
14
15
17
18
20

Feels Like (°C)

20
20
21
25
25
24
24
23
23
19
19
18
17
17
16
12
13
13
13
13
12
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

61
57
54
53
52
52
56
63
69
76
82
90
90
89
89
89
89
89
83
79
74
68
62
57

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

326
325
325
324
322
321
320
318
317
316
315
314
314
314
313
314
314
314
315
315
316
317
318
319

Monday 25

Waxing Gibbous 74%

15:27

03:12

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 OK
03 OK
04 OK
05 OK
06 Good
07 Good

Sun - Rise: 05:23, Set: 21:40, Transit: 13:32. Moon - Rise: 15:27, Set: 03:12. Civil Dark: 22:26 - 04:37. Nautical Dark: 23:33 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
18
25
15
8
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
23
14
7
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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
23
23
24
24
23
22
21
19
17
16
15
14
14
14
13
13
14
15

Feels Like (°C)

20
21
21
26
26
25
25
25
25
21
21
21
20
19
18
15
15
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

54
51
49
48
49
48
54
61
67
72
79
86
86
89
90
90
89
89
84
80

Pressure (mb)

1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

319
319
319
319
320
320
319
319
319
318
317
316
315
314
314
314
314
314
315
316

Forecast for Frankhuis, Gemeente Zwolle, Netherlands (52.52,6.08)

Generated: 19/05/26 11:29:51. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+2.00