Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:18

04:35

09 Bad
10 Bad
11 Bad
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 Good
07 Good
08 Good

Sun - Rise: 06:03, Set: 20:12, Transit: 13:08. Moon - Rise: 16:18, Set: 04:35. Civil Dark: 20:44 - 05:31. Nautical Dark: 21:23 - 04:51. Astro Dark: 22:07 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
96
91
84
65
9
1
3

Low Clouds (% Sky Obscured)

97
100
100
86
85
90
87
82
67
83
96
100
100
100
100
100
80
96
90
83
62
5
0
0

Medium Clouds (% Sky Obscured)

97
87
99
100
100
100
100
100
100
100
100
74
50
73
63
34
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
55
22
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

7
9
2
1
2
3
6
1
9
9
7
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

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

Precipitation Probability (%)

76
72
78
95
95
95
95
95
95
95
32
17
15
23
21
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.3
2.1
4.1
5.6
4.5
3.9
2.8
1.9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
11
10
10
11
12
13
11
8
5
4
4
3
2
1
1
0
0
0
0
0
1

Dew Point (°C)

11
12
12
12
12
12
12
13
13
12
12
9
8
8
7
6
5
4
3
3
3
3
2
1

Relative Humidity (%)

95
95
95
96
96
95
95
98
98
93
93
93
91
90
90
91
91
88
83
82
82
82
82
75

Pressure (mb)

1003
1002
1001
999
998
997
997
997
997
998
999
1001
1002
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014

Ozone (du)

343
341
342
342
342
348
354
354
359
356
359
360
365
366
365
368
373
377
378
383
378
374
373
373

Tuesday 28

Waxing Gibbous 94%

17:26

04:52

09 OK
10 Good
11 Good
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 OK
04 OK
05 Good
06 Good
07 OK
08 OK

Sun - Rise: 06:01, Set: 20:13, Transit: 13:08. Moon - Rise: 17:26, Set: 04:52. Civil Dark: 20:45 - 05:29. Nautical Dark: 21:25 - 04:49. Astro Dark: 22:09 - 04:05

Total Clouds (% Sky Obscured)

25
13
7
98
100
76
84
51
84
100
98
88
100
100
99
90
68
73
45
37
3
4
23
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
4
26
31
35
49
45
1
2
2
2
2
4

Medium Clouds (% Sky Obscured)

0
13
1
1
26
75
74
42
63
72
25
82
100
100
96
73
25
20
20
18
0
1
23
25

High Clouds (% Sky Obscured)

25
12
7
73
100
76
84
51
77
100
89
45
88
100
79
68
50
24
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 (%)

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)

13
13
13
13
13
13
13
13
12
11
10
8
7
7
8
8
7
6
5
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
56
48
45
43
43
42
41
41
46
52
58
61
58
57
59
62
62
64
66
67
66
64
56

Pressure (mb)

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

Ozone (du)

373
373
375
376
377
378
379
379
376
372
370
366
365
365
368
371
368
370
369
369
369
371
372
374

Wednesday 29

Waxing Gibbous 98%

18:33

05:11

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

Sun - Rise: 06:00, Set: 20:14, Transit: 13:08. Moon - Rise: 18:33, Set: 05:11. Civil Dark: 20:47 - 05:28. Nautical Dark: 21:26 - 04:48. Astro Dark: 22:11 - 04:03

Total Clouds (% Sky Obscured)

29
54
54
100
100
100
100
48
56
45
18
10
27
33
10
5
5
2
0
1
1
1
12
19

Low Clouds (% Sky Obscured)

4
2
13
35
35
31
19
17
24
38
17
10
17
25
10
5
5
2
0
0
0
0
9
17

Medium Clouds (% Sky Obscured)

29
54
54
75
80
84
94
11
17
24
10
0
0
0
0
0
0
0
0
0
0
1
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
1
1
1
5
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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
9
10
11
11
12
12
13
12
12
11
9
8
6
5
4
4
3
2
2
1
1
1
4

Feels Like (°C)

6
8
9
9
7
6
7
7
7
8
9
8
6
3
2
1
-0
-1
-0
0
-0
-1
-1
2

Dew Point (°C)

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

Relative Humidity (%)

49
45
43
37
36
35
32
31
32
40
47
56
60
61
62
62
62
67
72
73
74
76
73
63

Pressure (mb)

1020
1020
1019
1018
1018
1017
1017
1016
1016
1016
1016
1017
1018
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

375
375
375
374
376
378
381
384
389
392
393
393
393
391
390
390
389
388
388
387
385
382
384
385

Thursday 30

Waxing Gibbous 100%

19:40

05:32

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

Sun - Rise: 05:58, Set: 20:16, Transit: 13:08. Moon - Rise: 19:40, Set: 05:32. Civil Dark: 20:48 - 05:26. Nautical Dark: 21:28 - 04:46. Astro Dark: 22:13 - 04:01

Total Clouds (% Sky Obscured)

26
34
71
85
89
92
96
93
89
80
67
47
37
37
30
26
34
39
49
42
41
37
50
60

Low Clouds (% Sky Obscured)

25
28
31
44
55
52
53
51
48
33
28
12
10
18
19
22
25
24
27
20
19
17
22
26

Medium Clouds (% Sky Obscured)

0
23
45
68
76
83
91
85
76
70
59
47
36
33
30
26
34
37
40
35
28
23
26
33

High Clouds (% Sky Obscured)

2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
50
45
43
40
38
39
39
39
41
49
61
66
69
72
75
76
77
79
78
78
80
74
64

Pressure (mb)

1021
1021
1021
1020
1020
1019
1018
1018
1018
1018
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

386
388
389
390
390
391
391
388
388
389
388
388
389
388
387
388
388
389
389
388
385
385
386
385

Friday 1

Full Moon 100%

20:48

05:57

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

Sun - Rise: 05:57, Set: 20:17, Transit: 13:08. Moon - Rise: 20:48, Set: 05:57. Civil Dark: 20:49 - 05:24. Nautical Dark: 21:30 - 04:44. Astro Dark: 22:15 - 03:58

Total Clouds (% Sky Obscured)

71
77
95
100
100
100
100
96
90
84
80
79
78
48
42
40
30
33
38
41
41
41
33
23

Low Clouds (% Sky Obscured)

31
29
52
47
42
36
20
28
35
37
32
25
23
25
24
26
7
9
12
25
38
41
29
22

Medium Clouds (% Sky Obscured)

29
12
18
19
15
15
15
14
13
26
59
79
78
20
18
17
30
33
38
32
15
0
0
0

High Clouds (% Sky Obscured)

0
1
12
65
11
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
54
46
43
42
40
39
38
38
39
49
57
57
60
65
67
68
69
70
69
70
69
68
61

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

386
386
386
386
385
387
390
390
390
389
389
389
391
393
395
397
401
402
403
404
398
391
385
382

Saturday 2

Waning Gibbous 98%

21:55

06:28

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

Sun - Rise: 05:56, Set: 20:18, Transit: 13:08. Moon - Rise: 21:55, Set: 06:28. Civil Dark: 20:51 - 05:23. Nautical Dark: 21:31 - 04:42. Astro Dark: 22:17 - 03:56

Total Clouds (% Sky Obscured)

11
27
42
57
64
64
66
61
56
42
31
19
8
16
27
38
46
49
53
53
57
63
70
74

Low Clouds (% Sky Obscured)

11
7
6
1
8
16
28
30
31
31
20
12
4
3
3
2
2
2
2
4
6
8
35
62

Medium Clouds (% Sky Obscured)

0
1
3
4
13
13
4
9
7
0
0
0
0
12
25
38
46
49
53
53
57
63
62
54

High Clouds (% Sky Obscured)

0
0
0
0
26
57
66
60
31
3
5
11
7
7
3
1
2
1
1
0
1
1
4
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
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)

3
5
6
7
7
7
7
7
6
6
6
5
5
5
5
6
6
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

8
10
11
12
14
14
14
15
15
14
14
12
11
9
8
8
7
7
6
6
7
7
7
10

Feels Like (°C)

2
4
5
6
7
13
12
12
13
13
13
10
10
9
9
8
8
5
5
5
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

54
49
44
40
36
36
34
33
39
44
49
49
49
49
52
55
58
59
61
63
63
64
66
57

Pressure (mb)

1022
1022
1021
1020
1020
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

380
377
375
373
371
373
374
376
378
381
383
382
381
379
380
381
381
382
384
385
385
385
385
386

Sunday 3

Waning Gibbous 94%

22:58

07:06

09 Bad
10 Bad
11 Bad
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

Sun - Rise: 05:54, Set: 20:19, Transit: 13:07. Moon - Rise: 22:58, Set: 07:06. Civil Dark: 20:52 - 05:21. Nautical Dark: 21:33 - 04:40. Astro Dark: 22:19 - 03:54

Total Clouds (% Sky Obscured)

79
77
74
71
80
89
99
100
100
100
100
100
100
100
100
100
91
75
58
65
79
90

Low Clouds (% Sky Obscured)

79
63
31
11
9
5
2
3
3
4
7
9
10
8
4
2
11
10
15
30
44
54

Medium Clouds (% Sky Obscured)

44
50
50
52
42
37
42
68
87
100
100
100
100
78
60
45
46
42
34
44
58
65

High Clouds (% Sky Obscured)

4
10
17
29
49
70
97
98
99
100
100
100
100
95
89
84
74
65
55
55
60
70

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

Fog (%)

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
13
20
25
37
42
43
34
23
5
9
10
10
24
33
40
34
24
9
26
34
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
10
10
10
10
10
9
8
6
5
5
5
6
6
6
6
4
3
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
8
8
16
14
14
14
14
15
12
12
12
12
12
11
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

50
43
40
37
35
35
35
35
41
48
56
60
65
70
65
58
53
53
54
53
56
61

Pressure (mb)

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

Ozone (du)

388
389
387
386
384
384
384
383
384
384
385
385
385
385
385
385
386
386
387
387
388
390

Forecast for Afton, Washington, United States of America (44.92,-92.79)

Generated: 27/04/26 09:48:25. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-5.00