Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 17%

08:40

00:25

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

Sun - Rise: 05:54, Set: 19:39, Transit: 12:47. Moon - Rise: 08:40, Set: 00:25. Civil Dark: 20:10 - 05:23. Nautical Dark: 20:47 - 04:46. Astro Dark: 21:27 - 04:05

Total Clouds (% Sky Obscured)

29
43
23
10
2
2
27
61
58
69
34
25
2
5
0
2
12
2
7
2
9
10
14
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

29
35
3
2
2
2
25
58
56
69
34
25
2
0
0
1
9
1
4
2
8
10
13
62

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)

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

Chance of Frost

Temperature (°C)

23
24
24
23
22
18
17
16
12
9
7
5
4
3
3
3
5
9
15
19
22
25
28
29

Feels Like (°C)

19
16
17
20
20
17
15
15
10
6
4
2
1
2
2
1
2
7
12
16
19
21
25
26

Dew Point (°C)

-12
-10
-10
-8
-4
-7
-8
-7
-10
-12
-12
-13
-14
-16
-17
-18
-15
-13
-11
-8
-8
-7
-6
-5

Relative Humidity (%)

8
9
10
11
16
17
17
20
20
21
25
27
25
23
21
20
22
19
16
15
13
11
11
10

Pressure (mb)

1006
1006
1006
1006
1007
1008
1008
1009
1009
1010
1011
1011
1012
1012
1012
1013
1013
1013
1012
1011
1010
1009
1007
1006

Ozone (du)

341
342
343
344
344
343
343
343
342
340
338
338
336
335
333
332
332
331
331
331
332
333
334
333

Tuesday 21

Waxing Crescent 27%

09:52

01:25

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

Sun - Rise: 05:52, Set: 19:40, Transit: 12:47. Moon - Rise: 09:52, Set: 01:25. Civil Dark: 20:11 - 05:21. Nautical Dark: 20:48 - 04:44. Astro Dark: 21:29 - 04:03

Total Clouds (% Sky Obscured)

58
4
2
0
10
7
11
3
4
17
31
41
58
100
100
100
100
100
100
99
100
25
100
90

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
4
0
0
2
2
28
58
61
67
77
72
100
100
25
24
25
40
70

High Clouds (% Sky Obscured)

58
3
1
0
10
6
5
3
3
13
29
10
38
100
100
100
100
100
100
99
100
20
100
72

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
1
0
0
0
0
7
17

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
8
5
5
5
3
3
2
3
3
3
4
5
5
5
6
8
10
14
16
14
12
14

Chance of Frost

Temperature (°C)

30
29
29
29
26
22
19
17
16
14
13
13
13
12
11
11
13
15
20
24
27
29
30
31

Feels Like (°C)

27
26
26
26
24
20
17
15
14
12
11
11
10
7
7
7
8
9
14
18
20
23
26
25

Dew Point (°C)

-6
-7
-7
-6
-3
-6
-7
-8
-8
-10
-9
-8
-9
-11
-10
-10
-8
-8
-4
-1
1
1
1
2

Relative Humidity (%)

9
9
9
10
14
15
16
17
19
18
21
22
20
19
21
22
23
20
19
20
18
16
15
15

Pressure (mb)

1005
1004
1003
1003
1003
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1001
1000
998
997
996
995
994

Ozone (du)

332
333
332
330
328
329
329
330
330
329
329
327
326
325
325
325
326
327
328
329
329
330
332
336

Wednesday 22

Waxing Crescent 38%

11:09

02:11

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

Sun - Rise: 05:50, Set: 19:42, Transit: 12:47. Moon - Rise: 11:09, Set: 02:11. Civil Dark: 20:12 - 05:20. Nautical Dark: 20:50 - 04:42. Astro Dark: 21:30 - 04:01

Total Clouds (% Sky Obscured)

40
65
66
87
100
79
66
88
41
53
45
40
45
12
16
3
1
0
35
93
100
90
79
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
3
84
15
11
62
75

Medium Clouds (% Sky Obscured)

40
28
24
65
80
49
20
40
2
53
0
0
0
0
0
0
1
0
35
87
100
88
69
66

High Clouds (% Sky Obscured)

0
65
66
87
100
79
66
62
10
34
5
5
0
0
0
0
0
0
0
0
0
0
0
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
8
15
21
51
54
7
2
0
0
0
0
0
0
0
0
0
0
16
15
1
9
11
11

Precipitation Amount (mm)

0
0
0
0
0.4
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
14
12
13
6
6
11
15
19
19
22
22
21
21
18
17
20
23
22
23
25
24
25

Chance of Frost

Temperature (°C)

30
30
29
26
22
20
17
16
16
17
15
15
13
12
11
10
11
13
14
15
15
15
14
12

Feels Like (°C)

25
26
27
21
15
13
14
10
9
9
9
6
4
3
4
3
5
6
5
7
7
6
5
2

Dew Point (°C)

1
-1
-1
-0
3
0
-4
-6
-7
-7
-5
-2
-7
-5
3
0
2
2
-2
1
2
-1
-3
-6

Relative Humidity (%)

15
12
13
18
28
27
23
21
19
19
24
31
25
30
54
49
55
47
34
39
42
35
30
27

Pressure (mb)

993
991
990
990
991
990
991
992
992
992
993
992
992
993
994
994
995
995
995
996
996
997
998
999

Ozone (du)

345
346
347
345
342
348
346
346
344
345
345
347
350
353
357
364
368
375
365
362
368
369
370
368

Thursday 23

First Quarter 50%

12:25

02:46

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

Sun - Rise: 05:49, Set: 19:43, Transit: 12:46. Moon - Rise: 12:25, Set: 02:46. Civil Dark: 20:13 - 05:18. Nautical Dark: 20:51 - 04:40. Astro Dark: 21:32 - 03:59

Total Clouds (% Sky Obscured)

70
68
71
62
78
36
53
80
38
96
97
37
38
38
45
34
15
26
100
100
100
99
99
97

Low Clouds (% Sky Obscured)

65
5
10
7
5
5
5
5
5
5
5
5
5
5
5
5
0
10
70
100
100
99
99
97

Medium Clouds (% Sky Obscured)

45
42
40
38
43
36
42
41
38
40
35
30
27
28
30
25
15
19
99
100
98
97
93
86

High Clouds (% Sky Obscured)

4
22
3
9
47
19
31
50
6
66
74
0
27
38
45
34
15
0
7
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
7
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
Light Rain
None
None
None
None

Precipitation Probability (%)

7
4
0
0
0
0
0
0
1
3
4
3
11
15
17
28
36
43
47
62
29
21
16
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

25
23
22
22
18
15
14
14
14
13
13
12
12
12
12
10
9
14
17
17
14
16
18
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
1
1
-0
-1
-2
-3
-3
-4
-4
-3
-3
-4
-3
-3
-5
-6
-6
-3
-2
-3
-1

Dew Point (°C)

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

Relative Humidity (%)

32
32
35
41
43
49
51
52
54
54
54
55
55
55
55
57
53
46
42
47
45
32
32
31

Pressure (mb)

1001
1002
1003
1004
1005
1006
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1016
1015
1014
1014
1014

Ozone (du)

371
373
373
371
371
371
370
369
368
368
365
360
355
353
359
363
368
371
372
370
374
375
377
378

Friday 24

Waxing Gibbous 61%

13:39

03:13

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:47, Set: 19:44, Transit: 12:46. Moon - Rise: 13:39, Set: 03:13. Civil Dark: 20:15 - 05:16. Nautical Dark: 20:53 - 04:38. Astro Dark: 21:34 - 03:57

Total Clouds (% Sky Obscured)

94
91
88
90
86
69
27
21
89
79
97
99
99
99
97
97
97
97
96
95
94
84
75
61

Low Clouds (% Sky Obscured)

94
91
88
90
86
6
5
5
8
5
34
99
99
99
94
93
93
92
90
89
87
84
75
61

Medium Clouds (% Sky Obscured)

44
14
82
85
24
68
18
15
88
76
97
99
30
25
46
60
69
81
85
89
93
66
37
9

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
3
0
0
0
0
0
0
0
1
3
3
12
16
19
43
39
30
27
23
14
13
8
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
10
12
11
9
9
9
6
4
3
3
3
3
4
4
7
9
12
11
11
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-8
-10
-11
-10
-10
-10
-10
-10
-11
-9
-9
-8
-9
-9
-9
-8
-6
-5
-4
-4
-2
-4
-4

Relative Humidity (%)

29
30
26
26
30
32
35
39
42
42
46
46
48
49
49
50
49
47
45
47
48
50
44
41

Pressure (mb)

1013
1012
1012
1012
1013
1014
1015
1016
1016
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1014

Ozone (du)

379
382
381
380
377
375
373
372
374
375
375
376
378
380
379
381
383
384
385
383
380
378
376
375

Saturday 25

Waxing Gibbous 71%

14:50

03:36

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:46, Set: 19:45, Transit: 12:46. Moon - Rise: 14:50, Set: 03:36. Civil Dark: 20:16 - 05:15. Nautical Dark: 20:54 - 04:36. Astro Dark: 21:36 - 03:55

Total Clouds (% Sky Obscured)

66
77
84
71
60
52
61
65
70
80
90
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
77
84
71
60
52
38
22
5
14
22
31
54
77
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

19
31
42
31
16
3
1
2
3
36
68
96
98
99
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
7
5
0
5
11
33
69
89
100
100
100
100
100
99
92
96
98
100

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
21
30
35
67
86
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
1
1.4
1.8
1.7
1.5
1.1
1
0.8
0.7

Wind Speed/Direction (mph)

12
12
12
12
10
9
8
6
5
4
3
3
3
5
7
10
11
12
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-4
-4
-2
-2
-1
-1
-1
-2
-2
-2
-3
-2
0
1
1
1
1
2
2
1
2
1

Relative Humidity (%)

36
38
40
41
49
55
65
67
71
73
73
73
73
77
83
89
89
93
93
94
94
93
94
93

Pressure (mb)

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

Ozone (du)

373
373
373
373
371
368
366
366
366
365
361
357
353
350
347
344
343
342
340
340
340
340
342
343

Sunday 26

Waxing Gibbous 81%

No Rise

03:55

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: 05:44, Set: 19:46, Transit: 12:46. Moon - Rise: No Rise, Set: 03:55. Civil Dark: 20:17 - 05:13. Nautical Dark: 20:56 - 04:35. Astro Dark: 21:38 - 03:52

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
99
99
99
99
99
99
100
100
100
99
98
97
97
98
98

Low Clouds (% Sky Obscured)

100
100
100
99
99
99
99
99
99
99
99
99
100
100
100
99
98
97
97
98
98

Medium Clouds (% Sky Obscured)

98
97
96
97
96
94
71
47
24
23
16
13
9
4
5
4
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
96
93
92
94
93
93
77
67
60
85
90
95
95
95
97
97
98
98

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

92
81
66
60
54
46
41
32
19
16
12
4
11
13
13
13
13
8
14
16
17

Precipitation Amount (mm)

0.6
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-3
-3
-3
-2
-3

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
0
0
1
0
0
1
1
1
1
1
-0

Relative Humidity (%)

94
94
94
96
96
96
96
94
93
94
93
91
91
89
91
93
93
93
91
83
73

Pressure (mb)

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

Ozone (du)

345
346
347
347
348
349
349
349
349
349
349
350
351
352
353
354
354
355
355
355
355

Forecast for Wall, Pennington, United States of America (43.87,-102.23)

Generated: 20/04/26 15:54:48. Forecast: 20/04/26 to 26/04/26. Timezone: UTC-6.00