Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

20:04

06:00

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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
15 Good
16 Good

Sun - Rise: 06:25, Set: 20:35, Transit: 13:31. Moon - Rise: 20:04, Set: 06:00. Civil Dark: 21:07 - 05:53. Nautical Dark: 21:45 - 05:15. Astro Dark: 22:28 - 04:32

Total Clouds (% Sky Obscured)

58
68
60
84
51
60
32
5
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

58
49
60
84
51
60
32
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
9
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
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 (%)

6
3
18
6
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
8
11
8
7
5
4
5
4
4
4
4
4
5
5
5
4
3
3
3
4
5
6
7

Chance of Frost

Temperature (°C)

14
14
14
12
11
10
10
9
8
7
6
5
6
5
6
8
10
12
13
14
16
17
17
18

Feels Like (°C)

10
9
10
8
7
7
6
6
7
6
5
4
5
4
4
6
8
11
12
13
14
15
15
15

Dew Point (°C)

-7
-6
-5
-5
-4
-3
-4
-4
-4
-5
-7
-7
-6
-7
-6
-6
-6
-5
-5
-5
-6
-6
-6
-6

Relative Humidity (%)

22
25
26
30
35
39
37
38
41
40
40
41
42
42
42
37
33
30
28
25
22
20
19
19

Pressure (mb)

1015
1015
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1016

Ozone (du)

362
365
366
368
370
367
361
358
355
352
350
349
347
346
346
346
346
346
344
343
343
341
340
339

Friday 1

Full Moon 100%

21:10

06:27

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

Sun - Rise: 06:23, Set: 20:37, Transit: 13:31. Moon - Rise: 21:10, Set: 06:27. Civil Dark: 21:08 - 05:52. Nautical Dark: 21:47 - 05:13. Astro Dark: 22:30 - 04:30

Total Clouds (% Sky Obscured)

0
0
1
1
1
0
1
1
1
8
16
16
11
27
76
88
55
85
54
35
80
100
42
51

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
29
11
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
7
16
11
25
76
88
55
85
54
26
74
100
23
47

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
8
7
7
5
4
4
5
5
5
4
4
3
3
3
3
3
4
5
7
7
8
8
9

Chance of Frost

Temperature (°C)

18
18
17
16
13
12
11
10
10
9
9
8
8
8
8
11
13
14
16
17
18
19
20
20

Feels Like (°C)

15
15
14
13
11
11
10
9
9
8
6
5
6
7
8
8
9
10
12
13
14
15
15
16

Dew Point (°C)

-5
-5
-5
-4
-4
-5
-5
-5
-5
-5
-6
-5
-5
-5
-4
-5
-5
-4
-4
-4
-5
-5
-5
-5

Relative Humidity (%)

20
20
22
26
29
30
33
33
35
36
36
38
39
39
41
32
29
27
25
23
20
19
18
18

Pressure (mb)

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

Ozone (du)

340
342
345
348
351
351
348
345
343
341
339
339
342
342
342
344
346
348
350
351
351
352
353
357

Saturday 2

Waning Gibbous 97%

22:15

06:59

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK

Sun - Rise: 06:22, Set: 20:38, Transit: 13:31. Moon - Rise: 22:15, Set: 06:59. Civil Dark: 21:09 - 05:51. Nautical Dark: 21:48 - 05:11. Astro Dark: 22:32 - 04:28

Total Clouds (% Sky Obscured)

86
76
76
87
66
55
100
100
100
100
99
85
88
91
75
29
62
84
85
73
65
51
46
37

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)

11
19
74
69
65
38
32
35
30
24
97
54
72
72
63
23
21
27
58
49
55
51
46
37

High Clouds (% Sky Obscured)

75
57
56
72
39
28
100
100
100
99
98
75
88
91
2
0
53
84
65
46
30
14
10
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
15
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
8
7
6
5
5
5
6
5
5
5
4
4
4
5
4
4
5
5
6
5
3
3
4

Chance of Frost

Temperature (°C)

20
19
19
17
15
14
13
12
12
11
11
10
9
10
10
13
15
16
18
19
20
20
21
21

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-6
-4
-6
-6
-7
-7
-6
-7
-7
-7
-7
-7
-6
-6
-5
-4
-4
-4
-4
-4
-4
-2

Relative Humidity (%)

18
17
17
22
23
24
25
26
28
28
29
30
31
30
31
27
26
25
22
21
19
18
18
20

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1012
1011
1010
1009
1008

Ozone (du)

360
364
366
369
372
373
373
370
370
370
369
369
368
366
366
368
368
368
367
367
366
366
366
368

Sunday 3

Waning Gibbous 93%

23:18

07:39

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

Sun - Rise: 06:21, Set: 20:39, Transit: 13:30. Moon - Rise: 23:18, Set: 07:39. Civil Dark: 21:11 - 05:49. Nautical Dark: 21:50 - 05:10. Astro Dark: 22:33 - 04:26

Total Clouds (% Sky Obscured)

35
40
42
42
42
46
42
32
19
19
13
6
18
23
29
11
27
29
65
72
73
80
77
92

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
1
1

Medium Clouds (% Sky Obscured)

35
40
42
22
42
46
42
7
19
19
13
5
18
23
29
8
27
18
12
18
18
20
45
69

High Clouds (% Sky Obscured)

13
20
8
13
9
14
18
25
17
11
2
3
18
23
29
11
4
4
44
50
58
61
55
81

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 (%)

13
9
5
3
7
18
2
1
0
0
1
0
0
2
3
5
10
9
7
13
13
19
23
24

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

Chance of Frost

Temperature (°C)

20
19
18
17
14
14
14
13
12
11
12
11
11
10
11
12
15
17
18
19
20
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

30
34
34
38
42
42
44
47
53
52
53
54
55
56
56
50
42
36
31
28
26
23
21
19

Pressure (mb)

1008
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1007
1007
1006
1006
1005
1004
1004
1003

Ozone (du)

369
367
367
367
368
367
368
369
370
371
372
374
378
380
382
381
378
376
376
376
376
377
379
377

Monday 4

Waning Gibbous 88%

00:15

08:27

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

Sun - Rise: 06:20, Set: 20:40, Transit: 13:30. Moon - Rise: 00:15, Set: 08:27. Civil Dark: 21:12 - 05:48. Nautical Dark: 21:51 - 05:08. Astro Dark: 22:35 - 04:24

Total Clouds (% Sky Obscured)

100
93
85
79
70
62
54
47
50
45
27
14
0
0
0
1
26
54
80
73
59
53
72
85

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
9

Medium Clouds (% Sky Obscured)

20
64
69
56
58
54
39
47
50
45
25
13
0
0
0
0
14
23
35
34
29
31
54
75

High Clouds (% Sky Obscured)

100
89
72
51
31
27
12
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
2

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 (%)

26
23
19
27
28
16
5
8
9
7
8
9
6
26
20
1
2
2
3
8
12
15
16
15

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

Chance of Frost

Temperature (°C)

20
19
20
18
17
15
14
11
10
11
10
9
9
9
10
10
11
12
12
13
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

19
20
20
26
32
27
34
59
66
60
65
66
68
65
58
49
42
38
33
30
28
26
23
24

Pressure (mb)

1002
1002
1002
1003
1003
1004
1005
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1008
1008
1008
1007
1006
1006
1005

Ozone (du)

374
372
370
370
371
371
372
374
374
375
375
372
368
367
368
368
369
368
367
366
364
362
360
360

Tuesday 5

Waning Gibbous 81%

01:03

09:24

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

Sun - Rise: 06:18, Set: 20:41, Transit: 13:30. Moon - Rise: 01:03, Set: 09:24. Civil Dark: 21:13 - 05:46. Nautical Dark: 21:53 - 05:06. Astro Dark: 22:37 - 04:22

Total Clouds (% Sky Obscured)

97
86
75
65
53
41
28
20
13
5
5
6
6
4
2
0
12
24
39
57
72
91
92
94

Low Clouds (% Sky Obscured)

8
5
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

95
86
75
65
53
39
25
18
10
3
2
3
3
2
1
0
4
9
20
35
51
64
69
73

High Clouds (% Sky Obscured)

3
2
1
0
0
1
1
1
1
1
1
1
2
2
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
17
17
15
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
10

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
7
5
5
6
6
6
6
5
5
6
5
5
4
3
3
4
5
5
6
6
7
9
9

Chance of Frost

Temperature (°C)

19
19
20
19
19
18
17
17
14
13
13
13
12
12
11
11
12
13
14
14
21
21
22
22

Feels Like (°C)

16
17
18
17
18
17
16
16
13
13
13
13
13
13
9
9
8
9
10
9
20
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

26
27
31
36
41
42
42
43
44
44
46
47
48
50
45
40
37
35
33
30
29
26
25
29

Pressure (mb)

1005
1005
1006
1006
1007
1008
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1013
1013
1012
1011
1011

Ozone (du)

359
358
358
358
358
357
356
355
354
353
352
353
353
353
354
354
354
353
352
351
350
349
347
346

Wednesday 6

Waning Gibbous 73%

01:44

10:26

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

Sun - Rise: 06:17, Set: 20:42, Transit: 13:30. Moon - Rise: 01:44, Set: 10:26. Civil Dark: 21:14 - 05:45. Nautical Dark: 21:54 - 05:05. Astro Dark: 22:39 - 04:20

Total Clouds (% Sky Obscured)

95
82
69
57
53
48
44
31
15
0
4
9
12
9
5
2
13
24
46

Low Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
11

Medium Clouds (% Sky Obscured)

81
62
49
38
36
33
27
8
1
0
1
2
2
2
1
0
5
12
21

High Clouds (% Sky Obscured)

0
1
2
2
1
0
0
0
0
0
4
9
12
9
5
1
1
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

Fog (%)

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

Precipitation Probability (%)

15
24
32
34
29
23
1
4
3
1
7
6
1
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
0

Wind Speed/Direction (mph)

10
12
9
8
6
5
4
4
4
4
4
4
4
4
2
3
4
4
5

Chance of Frost

Temperature (°C)

22
23
20
19
19
17
17
16
13
13
13
12
12
11
11
12
14
15
15

Feels Like (°C)

21
22
17
18
19
17
16
15
13
13
14
14
13
13
10
11
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

33
38
42
49
56
54
52
49
49
49
50
52
54
56
53
51
49
44
39

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1015
1014

Ozone (du)

346
345
345
345
345
344
344
344
343
343
343
343
343
344
344
345
345
346
346

Forecast for Martin, Butte, United States of America (43.44,-113.56)

Generated: 30/04/26 17:19:40. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-6.00