Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Crescent 4%

04:56

17:04

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

Sun - Rise: 07:05, Set: 18:32, Transit: 12:48. Moon - Rise: 04:56, Set: 17:04. Civil Dark: 18:59 - 06:38. Nautical Dark: 19:31 - 06:07. Astro Dark: 20:02 - 05:35

Total Clouds (% Sky Obscured)

37
48
84
100
100
100
100
93
40
60
82
40
40
35
2
7
24
2
2
31
23
39
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)

37
48
73
60
100
47
97
81
40
4
35
13
3
0
0
0
0
0
0
28
20
37
41
49

High Clouds (% Sky Obscured)

37
48
84
100
95
100
100
89
30
58
78
40
40
35
2
6
24
2
2
0
3
4
2
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 (%)

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 (%)

4
2
1
12
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
18
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
5
0
5
6
6
6
4
4
4
4
4
5
6
6
7
7
5
3
1
2
5
5
6

Chance of Frost

Temperature (°C)

24
24
22
18
18
18
17
16
16
15
14
14
14
14
15
15
16
21
24
25
26
26
26
26

Feels Like (°C)

21
22
19
15
15
15
14
12
13
12
10
10
10
10
11
13
14
19
24
23
23
22
23
23

Dew Point (°C)

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

Relative Humidity (%)

19
23
31
36
33
40
43
40
40
40
42
45
46
45
42
43
38
27
21
18
16
15
14
16

Pressure (mb)

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

Ozone (du)

262
262
263
263
261
259
257
256
258
258
259
258
258
258
256
255
254
252
249
248
249
249
249
250

Thursday 8

Waning Crescent 1%

06:04

17:28

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

Sun - Rise: 07:06, Set: 18:31, Transit: 12:48. Moon - Rise: 06:04, Set: 17:28. Civil Dark: 18:58 - 06:39. Nautical Dark: 19:29 - 06:08. Astro Dark: 20:01 - 05:36

Total Clouds (% Sky Obscured)

96
48
23
23
21
2
3
2
1
2
0
0
0
0
0
0
0
0
0
0
45
63
71
83

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)

61
27
23
22
21
2
2
2
0
2
0
0
0
0
0
0
0
0
0
0
45
63
71
82

High Clouds (% Sky Obscured)

83
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6

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
13
7
8
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
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)

7
5
2
3
6
8
8
8
7
6
6
6
6
6
6
6
6
3
2
2
2
3
5
2

Chance of Frost

Temperature (°C)

26
24
23
19
16
17
16
16
16
15
15
15
15
15
15
15
16
21
23
24
26
27
27
26

Feels Like (°C)

22
21
21
17
14
14
14
14
14
13
12
13
12
12
12
13
14
20
23
24
25
25
23
22

Dew Point (°C)

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

Relative Humidity (%)

19
21
27
33
40
39
37
38
38
39
39
39
39
39
40
40
36
27
21
17
16
15
15
14

Pressure (mb)

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

Ozone (du)

251
251
253
255
256
259
261
263
263
263
263
264
265
265
264
266
266
266
265
264
264
265
266
267

Friday 9

Waning Crescent 0%

07:10

17:50

16 Bad
17 Bad
18 OK
19 Good
20 OK
21 OK
22 OK
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 OK
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:07, Set: 18:29, Transit: 12:47. Moon - Rise: 07:10, Set: 17:50. Civil Dark: 18:56 - 06:40. Nautical Dark: 19:28 - 06:09. Astro Dark: 19:59 - 05:37

Total Clouds (% Sky Obscured)

68
50
25
4
25
33
35
32
3
3
3
2
0
0
0
2
8
9
3
35
84
90
96
65

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)

65
42
25
4
16
5
20
18
1
1
1
1
0
0
0
2
6
9
3
35
77
85
92
58

High Clouds (% Sky Obscured)

13
0
0
0
0
29
25
27
0
1
1
0
0
0
0
0
0
0
0
0
13
26
46
36

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 (%)

14
4
2
3
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
21
27

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)

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

Chance of Frost

Temperature (°C)

26
24
23
18
17
18
18
18
18
17
16
17
17
16
16
15
16
20
22
24
25
25
25
24

Feels Like (°C)

23
19
19
15
14
14
13
14
14
15
15
16
17
15
14
13
14
19
21
22
24
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

14
17
22
29
29
31
31
31
30
34
36
39
50
40
40
39
36
27
22
19
18
17
19
24

Pressure (mb)

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

Ozone (du)

268
268
269
270
270
271
272
271
274
280
285
287
286
284
284
283
283
282
281
279
277
277
275
274

Saturday 10

New Moon 2%

08:17

18:14

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
15 Bad

Sun - Rise: 07:08, Set: 18:28, Transit: 12:47. Moon - Rise: 08:17, Set: 18:14. Civil Dark: 18:55 - 06:41. Nautical Dark: 19:26 - 06:10. Astro Dark: 19:57 - 05:38

Total Clouds (% Sky Obscured)

63
47
80
52
62
64
60
67
100
100
100
100
100
100
100
100
100
98
60
62
62
74
93
96

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

38
12
26
7
7
31
52
67
78
98
99
98
97
96
84
72
60
51
54
62
62
74
91
94

High Clouds (% Sky Obscured)

34
35
77
51
60
60
60
62
100
100
100
100
100
100
100
100
100
98
60
55
40
27
44
52

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 (%)

20
29
24
19
2
0
0
0
2
3
2
5
4
0
2
1
0
0
0
0
2
3
2
16

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)

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

Chance of Frost

Temperature (°C)

23
22
20
18
16
15
15
14
15
15
16
16
16
15
15
15
16
17
18
19
19
20
21
21

Feels Like (°C)

19
18
20
15
13
13
12
12
12
11
12
14
13
12
13
13
14
16
15
17
17
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

25
24
32
39
47
47
48
49
46
44
42
39
41
45
45
46
44
37
34
30
27
24
23
23

Pressure (mb)

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

Ozone (du)

272
271
269
268
266
265
264
265
265
263
262
260
259
257
257
256
255
256
256
255
254
254
253
254

Sunday 11

Waxing Crescent 5%

09:23

18:40

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 OK
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
14 OK
15 OK

Sun - Rise: 07:09, Set: 18:26, Transit: 12:47. Moon - Rise: 09:23, Set: 18:40. Civil Dark: 18:53 - 06:42. Nautical Dark: 19:25 - 06:11. Astro Dark: 19:56 - 05:39

Total Clouds (% Sky Obscured)

98
74
53
48
48
81
91
63
100
93
96
58
53
49
36
18
2
8
14
17
25
33
45
45

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)

97
74
53
48
48
70
78
63
65
51
32
26
16
11
7
3
2
4
7
12
20
29
40
41

High Clouds (% Sky Obscured)

33
40
44
40
43
75
81
43
86
74
78
25
13
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 (%)

26
24
30
23
13
13
11
8
8
7
7
10
8
2
19
18
0
1
2
0
0
1
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)

2
2
3
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
2
2
3
5
7
8

Chance of Frost

Temperature (°C)

21
19
18
16
14
14
13
12
11
11
11
10
10
8
7
8
9
10
12
14
16
20
21
22

Feels Like (°C)

18
17
16
14
13
13
11
9
10
8
8
7
9
7
6
6
6
6
6
7
9
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

22
28
36
47
45
46
48
48
50
50
50
48
53
54
59
52
45
39
34
30
27
24
22
20

Pressure (mb)

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

Ozone (du)

256
257
258
257
256
259
261
261
260
259
259
261
259
259
259
259
258
257
257
256
256
255
254
253

Monday 12

Waxing Crescent 11%

10:28

19:10

16 OK
17 OK
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

Sun - Rise: 07:10, Set: 18:25, Transit: 12:47. Moon - Rise: 10:28, Set: 19:10. Civil Dark: 18:52 - 06:43. Nautical Dark: 19:23 - 06:12. Astro Dark: 19:54 - 05:40

Total Clouds (% Sky Obscured)

45
48
50
55
63
73
74
75
70
65
60
60
60
65
65
66
57
70
83
96
93
91
89
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
65
60
10
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

45
47
43
36
35
25
13
0
0
0
0
2
5
7
4
3
2
13
24
36
50
59
62
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
16
30
53
49
49
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

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
3
6
7
11
10
4
3
1
0
0
0
0
0
0
0
0
0
0
3
4
5
14

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

Chance of Frost

Temperature (°C)

21
20
19
17
16
14
13
13
14
14
14
13
13
13
11
9
8
8
9
9
10
13
14
15

Feels Like (°C)

19
20
21
16
17
17
16
16
16
13
13
13
13
13
12
7
5
5
5
4
5
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

22
26
29
33
37
41
43
44
46
48
49
50
53
56
59
52
46
41
38
35
33
30
28
26

Pressure (mb)

1008
1009
1010
1011
1013
1014
1015
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1012
1010
1009

Ozone (du)

253
253
253
252
252
251
250
249
248
246
245
243
243
242
242
241
241
241
240
239
238
237
236
235

Tuesday 13

Waxing Crescent 17%

11:31

19:45

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

Sun - Rise: 07:11, Set: 18:23, Transit: 12:46. Moon - Rise: 11:31, Set: 19:45. Civil Dark: 18:50 - 06:44. Nautical Dark: 19:22 - 06:13. Astro Dark: 19:53 - 05:41

Total Clouds (% Sky Obscured)

85
85
78
72
68
63
60
59
70
80
89
95
98
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5

Medium Clouds (% Sky Obscured)

62
63
57
51
49
36
18
4
28
52
76
84
92
100
100
100
100
99
98
98

High Clouds (% Sky Obscured)

44
34
29
25
20
15
5
5
5
10
15
20
25
55
65
70
65
65
55
50

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
12
27
26
13
22
19
4
11
15
16
35
39
39
49
44
17
20
25
29

Precipitation Amount (mm)

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
2
2
1
0
1
0
0
0
0
2
4
6
9
11
11
12
12
15
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
9
8
9
9
8
9
5
6
4
4
4
5
7
7
7
8
9

Dew Point (°C)

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

Relative Humidity (%)

27
29
31
33
35
38
39
40
44
43
43
43
43
43
44
43
41
39
41
43

Pressure (mb)

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

Ozone (du)

234
234
233
233
234
234
234
234
234
233
233
233
233
233
233
234
235
236
236
236

Forecast for Boulder, Boulder, United States of America (40.01,-105.27)

Generated: 07/10/26 16:35:24. Forecast: 07/10/26 to 13/10/26. Timezone: UTC-6.00