Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 78%

02:08

08:39

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

Sun - Rise: 06:59, Set: 20:23, Transit: 13:42. Moon - Rise: 02:08, Set: 08:39. Civil Dark: 20:58 - 06:24. Nautical Dark: 21:41 - 05:41. Astro Dark: 22:28 - 04:53

Total Clouds (% Sky Obscured)

91
87
83
85
23
24
33
7
4
1
1
1
2
3
9
12
3
4
4
4
4
3
2
3

Low Clouds (% Sky Obscured)

8
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)

8
7
3
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
24
14
55
23
24
33
7
4
1
1
1
2
3
9
12
2
1
1
2
1
1
2
1

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)

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

Chance of Frost

Temperature (°C)

12
12
12
12
11
10
8
7
6
6
6
5
5
4
4
4
4
4
6
8
10
12
14
14

Feels Like (°C)

10
9
9
9
9
7
5
4
4
4
4
4
3
3
3
1
1
2
5
6
8
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

35
35
36
38
48
66
74
75
72
69
67
68
70
69
71
71
72
68
59
51
43
37
34
34

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

372
372
372
371
371
370
369
369
368
367
367
367
367
368
368
368
369
373
376
375
376
377
375
376

Tuesday 7

Waning Gibbous 69%

03:08

09:25

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

Sun - Rise: 06:57, Set: 20:25, Transit: 13:42. Moon - Rise: 03:08, Set: 09:25. Civil Dark: 21:00 - 06:22. Nautical Dark: 21:43 - 05:38. Astro Dark: 22:31 - 04:50

Total Clouds (% Sky Obscured)

3
2
2
3
3
1
0
0
0
0
1
2
2
2
7
47
23
27
39
14
26
19
25
25

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
0
0
0
0
6
9

High Clouds (% Sky Obscured)

2
2
1
2
1
0
0
0
0
0
0
0
0
0
7
47
23
27
39
13
12
14
10
5

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)

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

Chance of Frost

Temperature (°C)

15
15
15
15
14
12
10
9
9
8
7
6
6
6
5
5
5
5
8
10
12
14
16
17

Feels Like (°C)

13
13
13
13
12
10
10
8
7
7
6
5
4
5
4
4
3
4
6
8
10
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

33
34
37
42
49
58
66
69
72
73
73
74
76
78
79
82
80
75
64
54
46
41
38
36

Pressure (mb)

1027
1027
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026

Ozone (du)

375
373
372
372
371
370
369
368
367
365
362
361
361
362
363
364
366
368
371
371
372
370
369
371

Wednesday 8

Waning Gibbous 60%

03:55

10:25

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

Sun - Rise: 06:55, Set: 20:27, Transit: 13:41. Moon - Rise: 03:55, Set: 10:25. Civil Dark: 21:02 - 06:19. Nautical Dark: 21:45 - 05:35. Astro Dark: 22:33 - 04:47

Total Clouds (% Sky Obscured)

28
43
81
100
100
83
58
97
96
100
100
55
50
40
34
49
40
49
55
100
100
100
100
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
27

Medium Clouds (% Sky Obscured)

7
26
36
39
100
70
30
32
40
87
72
55
50
40
15
14
10
8
8
5
21
39
53
69

High Clouds (% Sky Obscured)

10
10
68
100
100
40
32
91
87
100
100
55
50
40
34
49
40
45
33
100
90
83
78
87

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
2
6
18

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
15
13
12
11
11
10
9
9
9
8
8
7
8
10
12
14
16
17
18

Feels Like (°C)

14
15
14
14
14
12
10
9
8
8
7
7
6
6
5
4
4
5
7
10
10
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

35
35
36
42
48
56
60
63
65
64
65
64
67
67
65
66
67
65
58
51
46
43
43
43

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

372
371
371
372
372
372
374
376
378
380
382
382
381
383
386
388
390
391
389
388
387
386
385
385

Thursday 9

Waning Gibbous 50%

04:29

11:35

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

Sun - Rise: 06:52, Set: 20:28, Transit: 13:41. Moon - Rise: 04:29, Set: 11:35. Civil Dark: 21:04 - 06:17. Nautical Dark: 21:47 - 05:33. Astro Dark: 22:36 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
77
53
25
28
37
45
40
37
39
43
52
65
71
75
79
80
79
80
80

Low Clouds (% Sky Obscured)

55
75
71
72
86
58
29
1
10
20
30
29
26
24
33
43
53
61
65
72
74
67
57
53

Medium Clouds (% Sky Obscured)

65
53
50
99
99
77
53
21
28
37
32
4
37
20
10
4
3
39
25
36
43
48
48
45

High Clouds (% Sky Obscured)

95
100
88
67
44
50
30
10
5
0
0
0
0
0
0
0
5
5
5
5
5
5
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 (%)

32
42
52
50
35
23
19
12
9
6
1
3
4
0
1
1
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
8
9
9
7
8
7
7
5
5
5
5
4
4
4
4
4
5
5
6
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
5
5
4
4
4
3
3
3
4
4
3
4
3
3
4
4
5
5
5
5

Relative Humidity (%)

42
41
43
46
55
62
63
64
65
64
66
68
73
74
75
75
74
71
69
66
62
60
55
52

Pressure (mb)

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

Ozone (du)

384
383
382
381
379
378
377
376
374
372
370
367
365
363
362
360
359
358
357
357
356
356
355
356

Friday 10

Third Quarter 40%

04:54

12:52

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

Sun - Rise: 06:50, Set: 20:30, Transit: 13:41. Moon - Rise: 04:54, Set: 12:52. Civil Dark: 21:06 - 06:14. Nautical Dark: 21:49 - 05:30. Astro Dark: 22:38 - 04:41

Total Clouds (% Sky Obscured)

81
82
76
68
46
57
65
73
82
76
85
77
79
75
72
56
40
58
75
93
62
33
9
12

Low Clouds (% Sky Obscured)

60
63
50
34
17
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

42
35
6
3
0
2
4
6
11
16
21
30
35
30
22
15
5
3
4
8
8
8
0
1

High Clouds (% Sky Obscured)

0
0
12
25
37
49
61
71
81
76
85
75
58
37
31
26
20
39
57
76
51
28
4
5

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)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
14
13
11
11
10
9
9
8
8
8
8
8
8
10
12
14
16
17
18

Feels Like (°C)

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

Dew Point (°C)

6
7
8
8
9
9
9
7
6
4
3
2
3
3
3
2
1
0
0
1
1
2
4
5

Relative Humidity (%)

52
53
53
57
63
71
76
76
72
67
63
64
67
68
70
66
63
58
52
45
41
40
40
40

Pressure (mb)

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

Ozone (du)

355
355
355
355
355
355
356
356
356
357
357
359
360
361
362
361
360
359
359
359
359
360
361
362

Saturday 11

Waning Crescent 30%

05:12

14:11

15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 06:48, Set: 20:32, Transit: 13:41. Moon - Rise: 05:12, Set: 14:11. Civil Dark: 21:07 - 06:12. Nautical Dark: 21:52 - 05:27. Astro Dark: 22:41 - 04:38

Total Clouds (% Sky Obscured)

14
26
46
65
85
81
76
73
63
54
44
63
81
100
98
96
93
94
94
94
96
97
98
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
44
66
58

Medium Clouds (% Sky Obscured)

3
4
7
11
14
11
7
4
5
6
7
15
22
35
38
36
35
41
43
45
45
50
55
63

High Clouds (% Sky Obscured)

9
15
32
53
72
78
76
73
63
54
44
61
76
100
94
87
81
75
68
63
75
87
98
91

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
15
29
43
57

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
0.3

Wind Speed/Direction (mph)

12
12
13
12
10
9
9
9
9
10
9
10
10
10
10
10
10
10
9
8
8
6
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
44
45
52
60
69
73
75
77
79
80
81
79
78
78
73
69
66
56
49
43
40
36
33

Pressure (mb)

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

Ozone (du)

363
365
367
367
367
368
368
367
367
367
368
368
370
371
373
373
372
372
372
371
371
372
373
375

Sunday 12

Waning Crescent 21%

05:26

No Set

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

Sun - Rise: 06:46, Set: 20:33, Transit: 13:40. Moon - Rise: 05:26, Set: No Set. Civil Dark: 21:09 - 06:10. Nautical Dark: 21:54 - 05:25. Astro Dark: 22:44 - 04:34

Total Clouds (% Sky Obscured)

79
66
73
85
95
97
98
100
96
92
87
83
82
80
83
86
91

Low Clouds (% Sky Obscured)

50
44
47
47
50
36
23
5
3
2
0
0
0
0
1
2
4

Medium Clouds (% Sky Obscured)

62
60
57
49
30
30
30
30
35
35
35
40
40
40
35
35
35

High Clouds (% Sky Obscured)

79
66
73
85
95
96
98
100
85
62
44
35
30
25
39
49
59

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

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

Precipitation Probability (%)

62
62
50
37
13
10
4
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
8
6
5
4
3
4
4
4
5
5
6
6
6
6

Chance of Frost

Temperature (°C)

19
19
17
16
13
13
12
11
10
10
10
9
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
32
31
38
45
55
57
61
66
67
68
70
68
68
65
65
67

Pressure (mb)

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

Ozone (du)

374
374
374
374
375
375
375
375
375
376
376
376
377
378
378
380
381

Forecast for Amsterdam, Gemeente Amsterdam, Netherlands (52.37,4.89)

Generated: 06/04/26 15:49:35. Forecast: 06/04/26 to 12/04/26. Timezone: UTC+2.00