Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 28%

04:51

14:29

08 Bad
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
07 Bad

Sun - Rise: 06:35, Set: 20:00, Transit: 13:18. Moon - Rise: 04:51, Set: 14:29. Civil Dark: 20:30 - 06:04. Nautical Dark: 21:07 - 05:27. Astro Dark: 21:46 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
25
51
72
85
95
91
89
84
70
64
42
6
0
0
13
0
29
40
55
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
92
98
97
97
89
98
100
100
100
100
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

1
30
73
95
95
95
95
95
95
95
95
95
95
95
91
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.4
0.7
2.3
2.7
3
2.6
1.1
2
2.4
2.6
3.1
0.7
0.2
2.3
0.8
2.2
0.9
2
0.9
0.6
1.6
3.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-2
-0
-0
-1
-1
-1
-1
-2
-1
1
2
3
3
5
8
9
10
9
10
10
10
10

Dew Point (°C)

-1
-1
-1
2
2
2
3
3
3
3
4
5
5
6
6
7
10
10
11
11
11
12
11
11

Relative Humidity (%)

84
83
80
88
89
94
94
93
96
94
96
96
98
96
96
96
96
93
93
95
93
95
90
93

Pressure (mb)

1029
1028
1027
1026
1025
1024
1022
1021
1019
1018
1016
1015
1014
1013
1012
1011
1010
1009
1009
1008
1008
1007
1007
1006

Ozone (du)

329
326
328
327
325
320
320
318
320
312
310
311
311
310
310
312
314
315
317
316
316
319
322
320

Monday 13

Waning Crescent 19%

05:11

15:41

08 Bad
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
07 Bad

Sun - Rise: 06:33, Set: 20:01, Transit: 13:18. Moon - Rise: 05:11, Set: 15:41. Civil Dark: 20:32 - 06:02. Nautical Dark: 21:09 - 05:25. Astro Dark: 21:48 - 04:45

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
99
100
100
98
99
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
96
100
100
100
100
97
99
100
98
99
100
99
96
94
98
100
92
86
89
65
96

Medium Clouds (% Sky Obscured)

94
34
36
19
32
37
29
35
43
37
18
0
0
0
0
0
10
40
56
100
100
100
100
58

High Clouds (% Sky Obscured)

100
61
69
2
0
0
4
4
0
1
7
6
4
13
56
90
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
3
0
0
0
3
2
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
2
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
70
100
100
100
100
100
100
100
100
100

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

83
31
14
11
6
6
23
31
6
0
2
0
0
0
0
0
2
19
55
95
95
95
95
95

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
1.1
1.7
1.9
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
10
10
11
11
11
9
8
8
8
8
7
6
6
6
6
5
5
5
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
96
96
96
98
98
96
96
96
100
100
100
100
100
100
100
100
98
98
96
96

Pressure (mb)

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

Ozone (du)

324
325
329
334
336
329
331
330
328
324
324
321
320
318
319
323
325
326
326
325
324
322
323
323

Tuesday 14

Waning Crescent 11%

05:30

16:55

08 Bad
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
07 Bad

Sun - Rise: 06:31, Set: 20:02, Transit: 13:18. Moon - Rise: 05:30, Set: 16:55. Civil Dark: 20:33 - 06:00. Nautical Dark: 21:10 - 05:23. Astro Dark: 21:50 - 04:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
85
89
93
99
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
93
75
90
93
94
82
79
81
75
84
58
50
59
61
81
82
90
91
88
90
94
90
85

Medium Clouds (% Sky Obscured)

45
55
56
51
26
32
78
66
50
65
55
68
74
99
100
99
85
82
79
77
70
79
85
94

High Clouds (% Sky Obscured)

100
87
99
100
100
100
100
100
41
30
20
22
97
100
100
100
100
100
99
99
99
99
99
100

ISS Passover

Visibility (miles)

4
9
9
6
0
0
7
9
9
9
9
9
9
4
2
1
0
0
0
0
0
0
0
0

Fog (%)

3
6
0
6
4
2
0
0
0
0
66
1
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

None
None
None
Light Rain
Light Rain
Ice pellet
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

71
48
58
95
95
95
48
11
16
7
3
38
87
95
95
95
95
68
69
93
74
83
37
12

Precipitation Amount (mm)

0
0
0
0.8
1.3
1
0
0
0
0
0
0
0.5
1.1
0.8
0.6
1
0.4
0.3
0.8
0.4
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
14
16
17
17
17
18
18
18
17
15
13
12
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
93
98
98
92
90
88
90
90
95
96
98
98
100
100
100
100
100
100
100
98
98

Pressure (mb)

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

Ozone (du)

323
321
320
319
319
320
319
319
322
322
320
317
317
315
314
314
316
312
311
312
312
314
311
312

Wednesday 15

Waning Crescent 5%

05:50

18:10

08 Bad
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
07 Bad

Sun - Rise: 06:29, Set: 20:04, Transit: 13:17. Moon - Rise: 05:50, Set: 18:10. Civil Dark: 20:34 - 05:59. Nautical Dark: 21:12 - 05:21. Astro Dark: 21:51 - 04:41

Total Clouds (% Sky Obscured)

100
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
80
77
81
87
92
94
97
100
96
93
89
90
93
96
90
94
87
91
100
100
100
100
100

Medium Clouds (% Sky Obscured)

86
77
68
76
84
91
87
83
76
78
76
74
77
79
50
72
69
55
63
64
68
66
65
63

High Clouds (% Sky Obscured)

98
96
94
94
95
96
97
99
90
100
100
100
100
100
100
100
100
100
100
100
100
94
86
78

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
2
5
9
8
8
8
8
6
6
6
8
8
5
0
0
0
0

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

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

Precipitation Probability (%)

2
6
3
24
56
66
71
69
79
68
65
68
66
66
67
68
69
71
75
95
95
95
84
61

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
0.5
0.8
0.5
0.4
0.5
0.4
0.4
0.4
0.4
0.5
0.5
0.4
0.7
0.5
0.6
0.5
0.2

Wind Speed/Direction (mph)

4
4
4
4
3
4
3
4
3
3
3
3
4
4
4
4
4
5
5
6
8
8
8
8

Chance of Frost

Temperature (°C)

9
11
12
13
13
14
15
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

8
9
11
12
13
13
14
14
14
13
13
13
13
12
13
13
12
12
12
11
11
12
12
12

Dew Point (°C)

9
10
12
12
13
13
14
14
13
13
13
13
13
13
13
13
13
13
12
12
13
13
13
13

Relative Humidity (%)

98
98
98
98
96
96
95
95
95
96
96
100
98
98
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

311
311
310
311
311
310
309
306
307
308
310
309
311
312
313
313
313
311
312
314
314
314
313
315

Thursday 16

Waning Crescent 1%

06:12

19:29

08 Bad
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
07 Bad

Sun - Rise: 06:28, Set: 20:05, Transit: 13:17. Moon - Rise: 06:12, Set: 19:29. Civil Dark: 20:36 - 05:57. Nautical Dark: 21:13 - 05:19. Astro Dark: 21:53 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
73
93
100
100
100
100
100
100
100
100
96
94
93
94
90
85

Low Clouds (% Sky Obscured)

100
100
100
96
91
87
53
46
53
66
77
78
85
93
100
100
100
100
94
87
81
74
69
62

Medium Clouds (% Sky Obscured)

65
60
71
83
92
100
77
55
55
53
46
44
33
24
17
18
25
27
25
22
17
13
7
0

High Clouds (% Sky Obscured)

63
49
39
59
80
100
93
87
63
68
82
85
79
77
80
63
32
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
3
5
5
4
8
5
5
5
8
4
0
0
0
0
0
3
6
9
9
9
9
9
9

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

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

Precipitation Probability (%)

57
56
63
80
81
95
95
95
95
86
47
12
21
22
18
15
11
1
8
8
0
4
5
0

Precipitation Amount (mm)

0.2
0
0.2
0.5
0.5
0.8
1.1
1.6
1.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
15
15
15
16
16
16
14
14
12
11
10
8
7
6
4
3
1
4
3
4
4
3

Dew Point (°C)

13
14
15
15
15
16
16
14
14
12
13
12
12
10
9
7
6
5
4
4
4
4
4
4

Relative Humidity (%)

98
96
96
92
89
89
85
82
83
84
93
96
96
96
96
96
94
93
91
93
94
96
93
91

Pressure (mb)

1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1006
1007
1007
1008
1009
1010
1011
1012
1012
1013
1014
1014
1015
1016

Ozone (du)

316
319
321
321
320
324
329
336
340
347
341
338
339
337
336
334
333
332
330
330
330
329
332
334

Friday 17

New Moon 0%

06:39

20:52

08 Bad
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 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:26, Set: 20:06, Transit: 13:17. Moon - Rise: 06:39, Set: 20:52. Civil Dark: 20:37 - 05:55. Nautical Dark: 21:15 - 05:17. Astro Dark: 21:55 - 04:37

Total Clouds (% Sky Obscured)

81
76
69
71
75
82
75
68
64
60
56
53
53
52
52
48
45
39
42
48
53
66
64
59

Low Clouds (% Sky Obscured)

55
45
42
38
33
29
27
25
20
18
19
19
18
14
10
11
14
15
17
21
25
34
42
51

Medium Clouds (% Sky Obscured)

0
0
0
3
7
10
15
18
20
14
7
1
1
1
1
3
3
5
6
12
14
25
36
44

High Clouds (% Sky Obscured)

0
0
0
1
3
11
15
16
11
20
28
36
38
47
51
48
45
31
42
41
34
27
18
12

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 (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

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)

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

Chance of Frost

Temperature (°C)

6
7
9
10
11
12
14
14
15
15
14
13
12
11
10
10
10
9
9
9
9
9
10
10

Feels Like (°C)

3
6
6
6
7
8
9
14
14
13
14
15
17
10
10
10
9
9
9
6
6
6
5
6

Dew Point (°C)

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

Relative Humidity (%)

88
79
72
65
59
54
49
49
48
47
55
64
75
76
77
77
77
76
76
77
78
80
80
81

Pressure (mb)

1016
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1009

Ozone (du)

336
335
334
332
332
332
331
331
330
330
329
329
328
327
326
325
323
322
320
318
317
315
315
315

Saturday 18

Waxing Crescent 3%

07:14

22:17

08 Bad
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

Sun - Rise: 06:24, Set: 20:07, Transit: 13:17. Moon - Rise: 07:14, Set: 22:17. Civil Dark: 20:38 - 05:53. Nautical Dark: 21:16 - 05:15. Astro Dark: 21:57 - 04:34

Total Clouds (% Sky Obscured)

66
80
93
91
93
93
97
99
100
100
100
100
100
99
99
97
94
91

Low Clouds (% Sky Obscured)

32
15
1
5
11
18
25
35
46
60
74
88
71
57
45
51
57
63

Medium Clouds (% Sky Obscured)

55
68
83
85
89
90
94
97
100
86
72
55
30
24
24
21
14
4

High Clouds (% Sky Obscured)

31
63
85
86
84
75
81
88
100
100
100
100
100
99
99
68
37
10

ISS Passover

Visibility (miles)

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

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

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

Precipitation Probability (%)

3
2
2
17
25
31
48
62
72
85
82
84
95
95
95
81
49
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.3
1
1.1
1.4
0.5
0
0

Wind Speed/Direction (mph)

11
12
14
15
14
15
17
15
13
13
11
9
8
7
6
6
7
7

Chance of Frost

Temperature (°C)

11
12
14
16
17
19
20
18
16
14
13
11
10
9
8
7
7
7

Feels Like (°C)

5
10
11
11
12
13
14
17
17
16
15
14
13
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

81
79
76
74
74
75
75
78
82
86
86
86
85
85
84
82
82
84

Pressure (mb)

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

Ozone (du)

315
314
312
311
311
312
313
314
315
316
316
316
316
317
317
318
317
316

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

Generated: 12/04/26 08:33:37. Forecast: 12/04/26 to 18/04/26. Timezone: UTC-4.00