Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

First Quarter 50%

13:14

03:31

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

Sun - Rise: 06:35, Set: 20:27, Transit: 13:32. Moon - Rise: 13:14, Set: 03:31. Civil Dark: 20:58 - 06:04. Nautical Dark: 21:35 - 05:27. Astro Dark: 22:16 - 04:46

Total Clouds (% Sky Obscured)

5
6
12
14
20
49
77
91
89
89
96
94
87
89
57
46
48
99
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

5
4
1
0
4
13
47
78
76
89
93
94
87
86
57
46
48
46
71
28
12
1
10
19

Medium Clouds (% Sky Obscured)

5
0
2
1
17
35
62
34
23
5
3
3
3
31
1
2
19
93
100
100
100
100
100
97

High Clouds (% Sky Obscured)

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

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
Snow
Snow
Sleet
None
None
None
None
Light Rain

Precipitation Probability (%)

0
1
0
9
8
18
34
36
20
17
27
20
21
29
24
23
38
55
60
44
41
28
58
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.4
0.4
0
0
0
0
0.6

Wind Speed/Direction (mph)

21
22
22
18
8
4
4
10
8
5
4
4
4
4
3
4
5
6
6
5
6
9
10
5

Chance of Frost

Temperature (°C)

11
10
10
8
6
5
4
3
1
0
-0
-1
-0
0
0
0
2
4
5
6
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-7
-6
-6
-5
-2
-1
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-5
-7
-11
-13
-11

Relative Humidity (%)

27
26
28
35
43
46
51
71
88
83
83
84
83
80
77
73
65
59
54
46
36
25
22
27

Pressure (mb)

1006
1007
1007
1008
1009
1010
1011
1014
1015
1015
1015
1014
1014
1013
1014
1014
1013
1012
1011
1010
1009
1008
1008
1008

Ozone (du)

370
369
370
371
368
366
366
366
365
363
361
362
365
369
371
373
373
374
377
381
386
393
393
399

Friday 24

Waxing Gibbous 61%

14:28

03:59

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 OK
15 Bad
16 Bad

Sun - Rise: 06:33, Set: 20:28, Transit: 13:32. Moon - Rise: 14:28, Set: 03:59. Civil Dark: 20:59 - 06:03. Nautical Dark: 21:37 - 05:25. Astro Dark: 22:17 - 04:44

Total Clouds (% Sky Obscured)

97
94
98
92
67
78
70
75
42
61
83
86
80
96
86
89
84
77
46
65
79
44
80
99

Low Clouds (% Sky Obscured)

90
94
81
49
20
20
17
12
8
9
11
11
39
84
55
39
61
77
46
65
49
7
6
2

Medium Clouds (% Sky Obscured)

91
70
74
64
56
53
50
52
42
39
76
80
77
94
72
87
79
58
33
41
50
44
57
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
17
10
0
0
0
0
0
0
1
1
41
93

ISS Passover

Visibility (miles)

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

Sleet
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
57
18
3
2
4
0
1
2
3
0
7
8
8
9
9
20
10
10
9
8
6
4
3

Precipitation Amount (mm)

1.9
0.6
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)

6
5
5
6
4
2
1
2
2
3
2
2
2
2
2
3
4
4
6
6
6
8
10
10

Chance of Frost

Temperature (°C)

4
3
2
2
1
1
0
0
-0
-1
-2
-2
-2
-2
-2
-1
0
2
3
4
6
7
8
8

Feels Like (°C)

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

Dew Point (°C)

-2
1
1
-1
-1
-2
-2
-3
-3
-3
-4
-4
-4
-5
-5
-5
-5
-5
-5
-7
-8
-8
-8
-8

Relative Humidity (%)

67
89
89
83
88
84
83
83
83
83
83
84
84
84
82
74
70
63
55
45
37
34
31
30

Pressure (mb)

1011
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1013
1012
1010
1008
1007
1006

Ozone (du)

400
387
377
378
380
382
383
385
391
391
384
385
390
393
393
391
390
392
392
394
395
394
393
390

Saturday 25

Waxing Gibbous 72%

15:38

04:21

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
15 Bad
16 Bad

Sun - Rise: 06:32, Set: 20:30, Transit: 13:31. Moon - Rise: 15:38, Set: 04:21. Civil Dark: 21:00 - 06:01. Nautical Dark: 21:38 - 05:23. Astro Dark: 22:19 - 04:42

Total Clouds (% Sky Obscured)

100
85
67
65
65
72
93
100
100
95
98
100
100
100
100
86
82
94
99
96
96
95
80
63

Low Clouds (% Sky Obscured)

4
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
9
45
84
84
68
23
37
47

Medium Clouds (% Sky Obscured)

100
83
47
45
55
60
68
100
76
75
83
95
100
100
100
75
67
70
81
85
79
74
58
48

High Clouds (% Sky Obscured)

76
65
67
65
65
72
92
100
100
95
98
100
98
95
97
9
68
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
7
7
7
9
9
6

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
Very Light Rain
None

Precipitation Probability (%)

2
1
1
1
1
12
16
6
5
7
9
11
16
21
29
33
28
25
37
30
41
47
52
51

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
0.2
0

Wind Speed/Direction (mph)

9
11
9
7
6
5
5
4
4
5
5
5
4
4
6
5
5
4
2
4
5
5
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

28
29
31
35
42
44
46
48
49
51
54
52
52
53
56
57
55
51
47
41
34
30
27
32

Pressure (mb)

1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1004
1005
1006
1006
1005
1005
1004
1004
1003
1003
1002

Ozone (du)

390
391
392
394
389
387
385
384
382
381
381
381
381
383
387
391
393
394
394
393
394
395
393
392

Sunday 26

Waxing Gibbous 81%

16:45

04:41

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

Sun - Rise: 06:31, Set: 20:31, Transit: 13:31. Moon - Rise: 16:45, Set: 04:41. Civil Dark: 21:02 - 06:00. Nautical Dark: 21:39 - 05:22. Astro Dark: 22:21 - 04:40

Total Clouds (% Sky Obscured)

50
56
62
63
64
54
56
53
71
52
63
61
61
39
19
6
26
49
61
82
90
100
93
87

Low Clouds (% Sky Obscured)

16
18
41
16
17
10
11
12
13
12
15
13
26
21
11
2
15
28
25
26
22
11
12
12

Medium Clouds (% Sky Obscured)

50
56
62
51
46
19
16
15
67
8
36
6
2
2
1
1
4
7
22
47
90
100
93
87

High Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
1
0
1
0
0
0
0
5
11
26
23
39
31
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
4
7
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
Very Light Rain
Snow
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

46
53
49
26
28
22
9
13
44
39
31
17
17
9
9
4
27
38
49
39
19
20
23
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
32
36
42
50
56
57
56
57
72
77
78
81
83
84
75
67
60
53
45
32
27
22
22

Pressure (mb)

1002
1002
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1011
1010
1009
1009
1008
1009

Ozone (du)

391
391
391
391
392
393
395
397
396
399
398
399
400
397
394
390
388
388
388
389
390
392
392
389

Monday 27

Waxing Gibbous 88%

No Rise

04:59

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

Sun - Rise: 06:29, Set: 20:32, Transit: 13:31. Moon - Rise: No Rise, Set: 04:59. Civil Dark: 21:03 - 05:58. Nautical Dark: 21:41 - 05:20. Astro Dark: 22:23 - 04:38

Total Clouds (% Sky Obscured)

81
69
56
39
30
31
35
22
14
0
0
0
1
2
4
15
50
73
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
12
12
8
5
3
0
0
0
0
0
0
0
0
1
1
3
6
8
6
9
13
18
11

Medium Clouds (% Sky Obscured)

81
69
56
33
18
22
34
20
14
0
0
0
1
2
4
15
50
73
100
93
89
80
85
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
10
10
10
5
10
15
25
25

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 (%)

23
22
20
17
12
7
0
0
0
0
0
0
0
0
0
0
2
2
1
4
6
9
10
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

22
24
27
32
39
44
45
48
50
49
50
50
51
51
47
46
43
39
36
33
31
27
25
25

Pressure (mb)

1009
1009
1010
1010
1012
1013
1013
1014
1015
1015
1015
1016
1017
1017
1018
1018
1018
1018
1017
1016
1016
1016
1015
1015

Ozone (du)

385
385
382
380
380
379
376
376
379
379
374
379
375
371
372
374
375
374
372
370
365
359
353
351

Tuesday 28

Waxing Gibbous 94%

17:52

05:18

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

Sun - Rise: 06:28, Set: 20:33, Transit: 13:31. Moon - Rise: 17:52, Set: 05:18. Civil Dark: 21:04 - 05:56. Nautical Dark: 21:42 - 05:18. Astro Dark: 22:24 - 04:36

Total Clouds (% Sky Obscured)

100
81
65
48
47
51
50
50
50
50
45
45
35
35
40
30
52
74
97
98
98
98
83
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
2
2
2
2
1
1
2
3
5
17
30
43
29
16

Medium Clouds (% Sky Obscured)

100
81
65
48
47
51
50
50
50
50
45
45
35
35
40
30
52
74
93
93
94
94
83
67

High Clouds (% Sky Obscured)

30
35
55
48
47
51
50
50
50
30
20
14
33
35
26
13
17
24
36
29
18
4
3
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 (%)

1
4
4
1
2
1
0
0
0
0
0
0
0
0
0
0
5
8
6
21
26
25
28
26

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
12
10
7
5
4
4
4
4
4
4
4
4
5
4
4
4
3
3
5
2
3
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
6
5
3
4
4
5
4
5
1
2
2
2
1
1
11
12
12
12

Dew Point (°C)

-7
-7
-6
-5
-4
-4
-5
-5
-7
-7
-7
-7
-7
-7
-8
-7
-6
-7
-7
-7
-1
1
2
2

Relative Humidity (%)

24
24
26
30
32
33
33
34
34
35
35
36
37
39
38
38
37
35
33
31
36
39
44
44

Pressure (mb)

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

Ozone (du)

348
346
344
342
341
341
341
342
341
340
339
339
339
339
340
342
343
344
345
347
347
348
349
351

Wednesday 29

Waxing Gibbous 98%

18:57

05:38

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

Sun - Rise: 06:26, Set: 20:34, Transit: 13:31. Moon - Rise: 18:57, Set: 05:38. Civil Dark: 21:05 - 05:55. Nautical Dark: 21:44 - 05:16. Astro Dark: 22:26 - 04:34

Total Clouds (% Sky Obscured)

52
48
43
37
30
24
17
13
17
30
36
38
45
45
55
55
70
85
100

Low Clouds (% Sky Obscured)

3
4
3
3
3
3
3
11
17
26
36
38
45
45
55
55
70
80
81

Medium Clouds (% Sky Obscured)

52
48
43
37
30
24
17
13
17
30
36
38
45
45
55
55
70
85
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
1
0

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

21
19
16
8
14
16
17
17
17
17
27
35
35
50
56
58
67
81
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.2

Wind Speed/Direction (mph)

7
8
7
6
5
5
6
7
6
6
6
7
7
8
8
8
7
5
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
44
45
47
50
53
55
58
58
58
59
66
75
84
85
85
88
91
93

Pressure (mb)

1012
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018

Ozone (du)

352
354
354
354
354
353
352
351
350
350
349
348
347
346
344
342
341
339
337

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

Generated: 23/04/26 17:49:16. Forecast: 23/04/26 to 29/04/26. Timezone: UTC-6.00