Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 28%

01:17

16:07

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
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 07:22, Set: 18:52, Transit: 13:06. Moon - Rise: 01:17, Set: 16:07. Civil Dark: 19:21 - 06:52. Nautical Dark: 19:55 - 06:19. Astro Dark: 20:29 - 05:44

Total Clouds (% Sky Obscured)

100
99
93
88
93
75
90
87
87
96
78
65
32
24
4
3
29
22
21
23
28
40
30
25

Low Clouds (% Sky Obscured)

89
77
37
35
51
73
77
86
69
78
33
37
32
24
2
2
29
22
20
22
28
36
29
20

Medium Clouds (% Sky Obscured)

25
26
61
88
84
47
68
5
17
24
30
30
14
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
3
37
48
12
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
6
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
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
62
39
41
25
12
14
5
14
27
16
7
5
3
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.4
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
12
11
12
11
10
8
6
5
5
5
4
3
2
2
2
2
1
-1
-2
-2
-2
-2

Relative Humidity (%)

84
81
78
78
87
87
81
75
66
64
67
66
67
64
60
64
67
69
59
49
46
43
43
42

Pressure (mb)

1014
1014
1013
1013
1014
1014
1014
1015
1015
1014
1014
1014
1015
1015
1015
1016
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

315
316
316
318
319
324
326
328
332
338
339
341
344
347
348
351
355
354
355
355
353
352
349
348

Monday 5

Waning Crescent 18%

02:36

16:38

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

Sun - Rise: 07:23, Set: 18:50, Transit: 13:05. Moon - Rise: 02:36, Set: 16:38. Civil Dark: 19:19 - 06:54. Nautical Dark: 19:53 - 06:20. Astro Dark: 20:27 - 05:46

Total Clouds (% Sky Obscured)

22
18
16
15
4
5
4
6
15
10
10
21
27
12
20
23
46
72
84
93
72
70
78
88

Low Clouds (% Sky Obscured)

16
13
12
15
4
4
4
1
0
0
1
12
17
12
14
14
14
11
2
3
0
1
3
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
0
1
3
5
19
38
64
25
61
37
39

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
3
10
7
5
4
7
1
4
4
20
37
52
80
37
35
28
33

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)

14
14
13
11
7
5
5
4
4
4
3
3
2
2
2
2
2
2
1
1
2
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
41
44
49
53
59
61
68
73
76
76
77
77
79
78
80
80
74
61
51
48
47
43
39

Pressure (mb)

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

Ozone (du)

346
343
341
337
334
334
332
329
326
323
322
320
319
317
316
316
317
315
314
312
311
309
306
305

Tuesday 6

Waning Crescent 10%

03:52

17:03

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:24, Set: 18:48, Transit: 13:05. Moon - Rise: 03:52, Set: 17:03. Civil Dark: 19:17 - 06:55. Nautical Dark: 19:51 - 06:21. Astro Dark: 20:25 - 05:47

Total Clouds (% Sky Obscured)

42
34
79
60
63
81
83
100
100
82
100
100
100
100
100
99
89
93
97
100
82
86
84
81

Low Clouds (% Sky Obscured)

14
6
10
10
3
0
47
45
45
45
40
40
68
87
89
89
84
89
95
100
79
77
74
75

Medium Clouds (% Sky Obscured)

25
21
69
29
22
32
19
28
83
82
97
100
100
100
50
48
36
62
36
33
30
27
19
15

High Clouds (% Sky Obscured)

3
1
22
9
40
68
44
100
100
74
81
55
20
57
2
1
1
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
8
37
53
58
22
8
1
9
12
12
30
41
51
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
2
4
4
4
4
3
4
5
4
3
3
4
6
7
7
7
7
8
9
9
10
10

Relative Humidity (%)

42
44
48
60
66
69
73
67
72
71
66
63
62
67
74
76
73
72
67
67
66
61
64
64

Pressure (mb)

1018
1017
1016
1016
1015
1015
1014
1014
1013
1012
1012
1011
1011
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1005

Ozone (du)

303
301
300
299
298
297
297
296
296
296
296
294
294
295
294
295
295
299
300
301
303
302
302
302

Wednesday 7

Waning Crescent 5%

05:06

17:24

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: 07:25, Set: 18:46, Transit: 13:05. Moon - Rise: 05:06, Set: 17:24. Civil Dark: 19:15 - 06:56. Nautical Dark: 19:49 - 06:22. Astro Dark: 20:23 - 05:48

Total Clouds (% Sky Obscured)

52
39
49
77
94
72
65
65
66
95
100
97
93
57
93
97
100
99
96
92
99
100
59
65

Low Clouds (% Sky Obscured)

46
30
39
55
46
44
41
42
40
72
27
28
34
41
72
37
63
67
66
68
56
90
59
57

Medium Clouds (% Sky Obscured)

8
8
15
48
66
40
34
46
48
61
56
53
39
40
53
91
100
99
86
83
98
58
40
40

High Clouds (% Sky Obscured)

1
0
12
24
40
40
40
35
32
41
100
92
80
1
0
0
0
3
6
8
6
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
6
9
5
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

53
49
38
25
12
19
22
25
33
36
36
39
36
29
37
41
72
95
92
67
77
95
82
64

Precipitation Amount (mm)

0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.7
0.7
0
0.3
0.7
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
15
13
12
13
13
13
12
10
10
10
9
10
9
9
9
9
10
11
10
10
11

Dew Point (°C)

11
9
10
11
9
9
9
10
11
10
9
9
9
9
9
8
8
9
10
10
9
8
9
8

Relative Humidity (%)

65
61
66
72
67
71
72
81
92
88
86
88
88
91
90
87
87
87
93
88
81
71
79
69

Pressure (mb)

1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009

Ozone (du)

302
301
305
304
307
311
310
313
314
313
315
319
322
325
328
328
327
326
328
331
333
331
332
329

Thursday 8

Waning Crescent 1%

06:18

17:43

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Good
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: 07:27, Set: 18:44, Transit: 13:05. Moon - Rise: 06:18, Set: 17:43. Civil Dark: 19:13 - 06:57. Nautical Dark: 19:47 - 06:23. Astro Dark: 20:22 - 05:49

Total Clouds (% Sky Obscured)

75
67
65
59
58
60
61
63
51
41
29
9
19
28
45
60
76
84
92
99
99
100
100
99

Low Clouds (% Sky Obscured)

56
41
37
35
31
29
32
33
29
26
24
5
10
15
23
30
43
56
64
70
59
48
38
42

Medium Clouds (% Sky Obscured)

40
40
33
26
24
35
33
35
23
13
0
0
0
0
18
35
53
52
53
54
70
85
97
96

High Clouds (% Sky Obscured)

0
0
1
1
2
1
1
0
0
0
0
9
19
28
45
56
65
76
70
57
58
54
50
44

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

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

Precipitation Probability (%)

58
56
49
40
28
26
24
20
31
24
4
7
7
0
4
6
5
25
36
45
56
59
58
65

Precipitation Amount (mm)

0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.4

Wind Speed/Direction (mph)

11
11
11
9
6
4
4
4
5
4
4
4
4
3
3
3
4
4
6
7
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
53
54
53
59
68
69
70
73
81
85
84
83
85
83
83
84
84
75
69
64
61
59
57

Pressure (mb)

1010
1011
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017

Ozone (du)

330
332
333
333
330
328
326
324
320
316
312
307
303
298
293
292
291
290
293
296
300
302
304
307

Friday 9

Waning Crescent 0%

07:29

18:02

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: 07:28, Set: 18:42, Transit: 13:04. Moon - Rise: 07:29, Set: 18:02. Civil Dark: 19:12 - 06:59. Nautical Dark: 19:46 - 06:25. Astro Dark: 20:20 - 05:51

Total Clouds (% Sky Obscured)

99
98
97
97
95
96
98
100
96
93
90
87
84
80
75
66
55
56
47
48
39
39
43
41

Low Clouds (% Sky Obscured)

54
65
63
53
45
40
46
64
46
27
12
41
62
79
68
62
55
48
47
48
39
39
43
41

Medium Clouds (% Sky Obscured)

93
93
93
93
95
83
70
57
48
36
24
34
34
30
30
30
30
29
27
30
30
34
33
22

High Clouds (% Sky Obscured)

42
35
34
33
30
27
27
32
36
29
16
34
50
66
66
57
48
38
32
32
20
13
5
6

ISS Passover

Visibility (miles)

8
7
6
7
8
8
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

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

Precipitation Probability (%)

69
70
82
92
95
84
69
51
51
49
45
44
45
47
58
64
67
63
60
58
50
40
25
21

Precipitation Amount (mm)

0.5
0.5
0.5
0.6
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.3
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

7
5
5
5
4
5
5
6
7
6
6
6
6
6
6
4
4
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
10
10
10
10
9
9
9
9
9
8
8
8
8
8
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
77
90
90
93
93
93
91
91
93
95
96
96
95
96
95
94
91
81
70
61
54
47
42

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022

Ozone (du)

307
307
307
307
306
306
306
306
306
307
308
309
307
305
303
302
300
299
298
297
295
295
294
294

Saturday 10

New Moon 1%

08:40

18:21

15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 07:29, Set: 18:41, Transit: 13:04. Moon - Rise: 08:40, Set: 18:21. Civil Dark: 19:10 - 07:00. Nautical Dark: 19:44 - 06:26. Astro Dark: 20:18 - 05:52

Total Clouds (% Sky Obscured)

38
39
36
30
27
20
13
2
1
1
0
14
28
39
41
42
44

Low Clouds (% Sky Obscured)

38
39
33
29
23
15
8
0
0
0
0
14
28
39
41
42
44

Medium Clouds (% Sky Obscured)

10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
5
3
2
1
1
1
2
1
1
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

Fog (%)

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

Precipitation Probability (%)

15
4
4
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
11
11
12
6
6
5
4
4
3
2
1
1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

41
42
41
48
55
63
66
68
71
75
77
82
82
80
81
80
78

Pressure (mb)

1022
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025

Ozone (du)

294
294
294
294
293
293
293
294
294
291
288
285
284
283
281
281
280

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 04/10/26 15:24:32. Forecast: 04/10/26 to 10/10/26. Timezone: UTC-4.00